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No more secrets. Simple enough, right?

But life doesn’t like to stick to silly little things like plans.

There’s danger around every corner, and even though one major player is about to be knocked off the board, that leaves things wide open for the other to swoop in and take advantage.

With no time to breathe and little time to regroup, we’re merely pawns in a game where the rules are always changing. There are things happening that we can’t control, and until we figure out who’s behind the madness, we’ll never get our chance to live happily ever after.

Serial killers deserve those too…right?Ace is book three in the Sinners Mark MC series, a medium-burn reverse harem romance featuring darker elements. Please check my website for trigger warnings. Prepare for a cliffhanger ending with no HEA until the final book (currently anticipating five books - subject to change).

Stay up-to-date on all of the Sinner's Mark books in my Facebook reader group (The House of A Sinclair Kelly Reader Group) or on my website at www.SinclairKelly.com.

186 pages, Kindle Edition

Published June 30, 2023

71 people are currently reading
183 people want to read

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Sinclair Kelly

29 books1,553 followers

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5 stars
202 (45%)
4 stars
143 (32%)
3 stars
77 (17%)
2 stars
18 (4%)
1 star
2 (<1%)
Displaying 1 - 30 of 66 reviews
Profile Image for Cat H.
1,972 reviews219 followers
May 24, 2025
4.5 stars.
Alright. Well THats not my favorite trope…not even top ten.
I literally can’t say more than that without spoiling things.😂🤦🏻‍♀️
This series better have a happy ending or we riot at dawn. (No. I do not know who ‘we’ is…shut up.)
Profile Image for Nance.
1,125 reviews17 followers
June 26, 2023
This was a fantastic read! I really enjoyed the storyline and the characters. I highly recommend reading this book!
Profile Image for kase.
396 reviews12 followers
November 19, 2023
Oof this series got so bad so fast. Each book has the same exact plot line but a different “bad thing” and all of the guys are identical in voice except for their one “thing”. The boss, the quiet one, the one who loved her for years, the kinky one, and the one who got to her late to the game. Can’t tell them apart at this point. And the
Profile Image for Murphy.
725 reviews
June 29, 2023
Rollercoaster of emotions!!!!

We are back in the Sinners Mark MC world and our Avenging Angel aka Remy is not used to having the support she has now. This book takes off right where book 2 ended. With her fathers death still hitting her hard, she offers herself up to save the ones she loves. And in true Angel fashion, she lets them have it with something they never expected.

This book solidified her relationship with Ace, Saint, Rogue, Trip and Squire. It was filled with steamy yumminess you cant turn away from. It also came with them on a hunt on a mission to find out who this mystery person is that is leaking information no one else should know. Viper is only a minion and when his ending comes, its a cold, brutal and needed demise! Squire is keeping a secret and is afraid to let Remy know what's going on, pushing her away when she needs him most.

Lastly, the ending...its such a tortuous ending because that cliffhanger is dangling right in front of us. Remy is made aware of a life changing moment at the end and I cant wait to see how ALL of her guys react. The timing couldn't be worse, but I have inkling that this will be everything they need and more to make sure to get through this entire ordeal.

"Five different men, five different ways of having my back, five different ways of f#cking a girl just right."

I loved this book! This entire series has been a whirlwind of emotions and I cant wait to see how it will all unfold. Ace is a powerhouse and that Husband and Wife chemistry is off the charts!! I'm thoroughly looking forward to the next book!

*Overall 5/5
*Heat? 4/5
*Fast burn
*Multiple first person POV
*MFMMMM (No MM)
*Ends on cliffhanger

--"All those MILFs will need to watch out, because the SKILF is edging into their territory."
-What the f#ck is a SKILF?
--Serial Killer I'd like to f#ck, obviously."
Profile Image for Klizbet.
1,106 reviews85 followers
November 13, 2025
3...Reluctant...Stars

I'm not sure I can continue this series. I'm okay with books with a lot of triggers. The only thing I'm absolutely never okay with is when one of the MMC's crosses a line.

Our FMC in this book, Remy, was brutally g@ng r@ped when she was 15. Those a-holes basically stole her life from her, now Remy has a lot of triggers. She has to be careful with sex because so many things send her into panic attacks and flashbacks.

However... one of her guys is into BDSM... and everything he craves is one of her hard limits. Remy's really worried she won't be enough for him. So when the guys tie her up and basically reenact her r@pe...Remy's sobbing through it, but won't use the safe word because she loves her guys and wants to give them what they need.

To top off this giant trauma sandwich, the guys wouldn't let her orgasm so there wasn't even pleasure to distract from the panic and trauma.

...but I guess it was okay because they let her come after they were all finished taking turns (just like her attackers did).

These guys are supposed to love her. Why didn't they care or notice that she was sobbing in panic and fear? Slowing down briefly to ask if she's okay, when she obviously wasn't even close to okay, is not how a loving or protective male acts.

I was pretty much sobbing through that sex scene along with the FMC. I think I might puke. As someone who has similar triggers, this hit way too close.
Profile Image for Carol Rupprecht.
782 reviews17 followers
July 7, 2023
I love this series so much! Remy and her bikers are such an integrating group of characters and I've really been enjoying their story so far. As of right now the cat is officially out of the bag with Remy and her Avenging Angel shenanigans. It was great to see the amount of love and trust that continued to grow between Remy and her guys. Even with them knowing her darkest secret, they supported her one hundred percent. 

Remy's past is a traumatic one with moments being brought up throughout this series, but this book seems to give more detail about her trauma as she opens up to her men. Not only do we get more info on what exactly happened when Remy was fifteen, but we also see how she learns to overcome her past by replacing the bad memories with good ones with people that she trusts. These were such monumental moments for her; you could see the struggle that she went through and how each guy walked her through it. I loved these scenes the most. 

I am pretty sure I know who the main baddie is behind all the issues with Remy in this series. There have been so many times that things just didn't add up with who this person was supposed to be to Remy. Too many coincidences and not to mention the reintroduction of Squire's mother all of a sudden. And who had she been hanging out with? I believe so many lies have been and are being told to put Remy in a spot of weakness. I hope she finally realizes who is behind it all and sooner rather than later.
Profile Image for Kay Daniels (Kay Daniels Romance).
2,155 reviews73 followers
August 4, 2023
This is the third book in the series and Ace picks up right where we left hanging in the last book.
Now the cat is out of the bag and all five guys are aware of Remy's extra-curricular's and while it doesn't make Ace love her any less, he still spends a few chapters wrapping his head around just how powerful his woman really is.
Saint is still one of my favorites in his outlandish, sarcastic and non-filtered self. Plus there is a scene with him and a few others that is wicked hot.
We get more of Trip and that man is super easy to fall for, exactly what Remy needs with all the testosterone flying around her 24/7.
Rogue is, I don't want to say, coming out of his shell more, because he's still a mountain, but his care for his brothers and especially for Remy is amazing.
Lastly, there is Squire or Grant as Remy still loves to call him. That boy is finally getting all his Christmas' and birthday presents rolled into one. He's getting his woman and the intense time he spends with her is visceral. Those moments are felt for sure.
There are twists and turns that come even now that this series has reached the middle point and I can't wait to see where the rest of the story goes next.
Profile Image for Lizs.book.nook ||Elizabeth||.
1,390 reviews47 followers
June 28, 2023
This series just keeps getting better and better!!! Remy and her men are a force to be reckoned with. Their love and loyalty fuel them, but no matter what they do there seems to always be an outside force trying to impede their happiness. Shocking revelations come to light, schmexy times continue to light the pages on fire, love and trust continue to grow and strengthen between Remy and her men, and enemies continue to try and take what is rightly theirs. A rollercoaster of thoughts and feelings, but man oh man was it a rollercoaster I took willingly and loved every second! That ending…come on Sin *pouty face*. I cannot wait to see what happens next!
Profile Image for Andrea Thompson.
534 reviews8 followers
July 2, 2023
I honestly don't read many MC Romance books, but I love Sinclair Kelly, and I always read her books, and this series is no exception! It is such a great story, and I love Remington and her guys. Each book is an account of her relationship with each guy plus advancing the story! It action-packed and brings you through the story of Remington as much as her guy. Ace is the one in charge, and he learns and goes through the relationship with Remy and his club members ( the group of her guys) and learns how to navigate that and the nwe club. It's full of steam and hot guys all figuring out how to do this relationship. So good!
Profile Image for Melissa.
997 reviews5 followers
November 28, 2023
This was a good book but not as good as the others. I figured that since Ace was her husband, we'd get a longer book but this was novella sized so it was disappointing. The Viper bit was the most interesting and the marriage certificate was just weird.

This is definitely worth a read if you've read the first two but I think they put my standards so high that this one fell pretty flat. Especially when we got to the twist at the end.

The biggest bummer is that we have to wait so long for the others to come out. I try to avoid unfinished series like this but realized too late that I'd been sucked in without a published ending.
Profile Image for Richelle Zirkle.
2,151 reviews12 followers
June 30, 2023
Remy and her men are back, and this is filled with more action and steam. There are bad guys both within the club and without, but if they’re going to gain control over this beast, they need to get both houses in order first. There is just the pesky problem of dealing with Viper before they can get back home and put the clubs on notice. The relationship with each of the five men is still growing. Remy is allowing them into her inner world more and more. The ending was nonstop action with a little cliffhanger that leaves us dying to know… What happened next?!?
Profile Image for Cassandra.
204 reviews2 followers
June 30, 2023
Remy's saga continues in Ace and it is simply incredible. After the last book, I had so many theories running wild through my head so I was very happy to get some answers to my questions. I gotta say, Remy is one of my favorite FMC ever. She is so badass and had to overcome a lot to get to where she is and be the strong woman she is. I love how the guys act with her. They each bring something she needs in their own way. The book starts strong and ends on a bang. Many things you won't see coming and revelations are coming your way!
Profile Image for Melissa Howse.
87 reviews3 followers
July 6, 2023
I love the Sinner's Mark MC and Remy is one kick A$$ MC. Up until this book I wasn't sure how I felt about Ace but his personality really clicked in this book. He embraced Remy for who she is and they really complimented each other really well and the chemistry is off the charts. Remy goes through some healing in this book with her guys and its a hot journey! Secrets are revealed and some more are left unanswered and it ends on a cliffhanger. Killer stole the show and I can not wait until the next book!
361 reviews1 follower
July 6, 2023
Remy is a bad mama-jamma. If you didn’t figure it out in the first book, you’ll get it in this one. One of my favorite tropes is a woman who can handle herself, and that she does. But those men of her can handle her pretty well too (winky face here). This book has everything I could ask for. Hot men? Check. Steamy steamy scenes? Check. An amazing storyline to go with the steam? Check, check and check. It does end on a cliffhanger…kinda? It definitely left me wanting the next book ASAP. Hands down a top read this summer for me!
Profile Image for Mindy.
262 reviews6 followers
June 29, 2023
Sinclair Kelly, you outdo yourself every single time. I was hooked from the very first page. Remy and her beautiful hot tough men are a force of nature you don't want to mess with them. I love how loyal and protective they are of those they love. They can't seem to catch a break. The hits just keep coming . Things come onto light that shocked me. My emotions were all over the place. I love it all, and I can't wait to read what happens next!!!
Profile Image for Book Dragon.
169 reviews2 followers
June 30, 2023
Sinclair Kelly is an author who captures your attention from the first page. Remy's story continues in Ace and she is one character I've come to love. She is such a strong character who has had to over come so much, and she is a bad ass! Eek! I enjoy how the characters have history and how it's revealed. The male characters compliment our MFC and are perfect to me. The ending was perfect and made me feel satisfied when I finished reading it. If I could give ten out of five stars I would.
Profile Image for thenerdybookworm_.
1,641 reviews67 followers
July 6, 2023
Seriously, this series continues to get better and better. Remy has come so far since book 1 and she’s a total BOSS B. I love the way the guys complement her and her growing character. The hits keep coming and Remy and her men can’t seem to catch a break. This story will leave you on a rollercoaster ride of emotions. I fell in love with the characters and story since I started the Sinner’s Mark MC series and if you haven’t you need to jump on this ride
Profile Image for Jezabel Nightingale.
Author 8 books43 followers
June 25, 2023
So, I should probably have refreshed myself on the previous instalments of this series, but I soon caught up!

This was another ripper that had more questions than answers, but made me yearn for the next book. Great characters and twists and turns I never saw coming.

Bring on Trip!

Thanks to the author for an early copy.
Profile Image for Rachel Stephens.
2,318 reviews41 followers
June 28, 2023
Loved it!!
Another great addition to the series!!
I thought it was a fairly quick read so it definitely kept my attention.
We continue to get action, suspense and steam!! We do get some things answered, however I feel like there is still lots of questions.
I continue to love Remy! She smart, a little crazy 😉 and just plain herself.
What an ending!!! I can't wait for Trip's book!!!
Profile Image for Robin.
685 reviews10 followers
June 30, 2023
Oooooo I cannot even really explain all the freaking amazingness that was in this book. If you have not started the Sinner's Mark MC series, get going with Saint now. This rollercoaster of emotions, dark and dirty, raw and real in so many ways. I love that these guys all bring something unique and special for Remy but also to the group. Together this group is something spectacular.
370 reviews5 followers
June 30, 2023
This series gets better and better with every book! Remy the Avenging Angel is pretty much who I want to be when I grow up. I swear she has no fear and balls of steal. All of her men now know she who she moonlights as and is 100% on board. So much action throughout this book and yes it does end on a bit of a cliffy. I can't wait to see what Sinclair Kelly has instore for us in the next book.
1,070 reviews9 followers
July 2, 2023
holy moly guacamole

So this book happened. Dear lord, this just gets better and better. So lots happen. We learn some really messed up stuff and some slightly disturbing if true. My guts saying it a rouse and completely false. You’ll get it when you get there. I can’t wait for more.
Profile Image for Katie.
1,980 reviews16 followers
July 2, 2023
Such a phenomenal story. I was thrilled to be back with Remy and her guys. Since book 1 I have been hooked on this series. Action and steam this story made my entire day. Storyline is so so good. I don’t want to give away any spoilers but I definitely recommend this one over and over. Very well written. Does end on a cliffhanger. So I definitely need the next book. Loved it.
457 reviews10 followers
July 2, 2023
⭐️⭐️⭐️⭐️

Remy and her men are back and growing stronger together every day. They need all the strength they can get because there’s still enemies at the door. This was a quick read with plenty of action and lots of spice. More secrets are revealed, and some twists that leave you guessing at what will come next. Can’t wait to see how this all unfolds.
Profile Image for Christy Corliss.
140 reviews
July 2, 2023
Finally!

Waited so long for this one to come out, and the wait was 100% worth it! I literally binhes this books in only a few hours. The boys have my heart, and Remington is the bad ass of my dreams. The twist and turns kept me on the edge of my seat, and of course, that ending was unexpected. I'm looking forward to the next book of the series!
2,600 reviews15 followers
July 3, 2023
This series keeps getting better with each book! I am in love for sure. I enjoy the revelations we get so much, they're shocking for sure. I love how there are bad guys within the MC too. So it's not all good in there. Cleaning house is a must and that's what they're working on. So this is just a ride I'm glad I could take and I can't wait for more!
640 reviews10 followers
July 6, 2023
Remy is such a bad ass. She has so much going on in this book. There’s so many dangers coming from different directions, a club to get up and merged, and people to unalive.

I love watching this series unfold, and then the cliffhanger came out of nowhere. I kept flipping pages trying to read more.

I need more!
Profile Image for Mercedes.
709 reviews
July 25, 2023
Man this is such an amazing series. I am so bummed I have to wait til next year for the next book.
However so much was revealed this book. I mean come on some of the smut scene top tier man. I love the dynamic between all the guys with Remy. Each guy is so different. The bombs being dropped left and right. The cliffhanger. Ugh so good.
This entire review has been hidden because of spoilers.
Profile Image for T.P.A..
738 reviews10 followers
May 21, 2024
Well, I want the next book. I should have checked prior to started whether the series was complete. Remy... no self- preservation there even though she does everything possible trying to keep her loved ones safe. Ace, I loved him from the start and he did not disappoint. Quite a few twists here, so waiting for the next installment.
Displaying 1 - 30 of 66 reviews

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