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A missing daughter. A faceless enemy. More questions than answers.
Syren and Kane Rua-Ashby have been here before. Now, like then, they’ll use every means at their disposal to bring their daughter back home. But not before uncomfortable truths are exposed, secrets are uncovered, and they’re forced into a reckoning that could change the dynamics of their family.

The Final Sin is a 35k novella featuring the entire cast of Avril Ashton’s popular and bestselling Brooklyn Sinners Series, as well as familiar faces from Av’s Universe. It is not a standalone but the final chapter in this award-winning series, so join us for one last ride with the Sinners as we say goodbye.

147 pages, Kindle Edition

Published June 22, 2022

31 people are currently reading
84 people want to read

About the author

Avril Ashton

78 books1,685 followers
A Caribbean transplant, Avril now lives in Stone Mountain, GA., with a tolerant Spousal Equivalent. Together they raise an eccentric daughter who loves reading and school (not so much school anymore). Avril’s earliest memories of reading revolve around discussing plot points of Nancy Drew and The Hardy Boys with an equally book-minded mother

Always in love with the written word, Avril finally decided to do the writing in August of ’09 and never looked back. Spicy love scenes, delicious heroes, and wicked women burn up the pages of Avril’s stories, but there’ll always be a happy ending; Av remains a believer of love in all its forms.

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5 stars
68 (46%)
4 stars
52 (35%)
3 stars
18 (12%)
2 stars
8 (5%)
1 star
1 (<1%)
Displaying 1 - 10 of 10 reviews
Profile Image for Romance Recs.
1,065 reviews191 followers
January 28, 2023

I recommend reading all of the books in Avril’s Sinner’s Series but also all of her other books in order. It’s pertinent to the story that you know who the characters are before you read this and all of the characters from her books are in this book even Daniel!!

Im the biggest Daniel Stavros fan so seeing these two even if just for a short amount of time made my heart melt! I love Stavros so much God they’re even so protective in this book.

We also get to see Dima and all of the other characters from the Watch Me series.

This is a novella for fans of Syren and Kane so see their now almost grown daughter and the rest of their family.

This was a great read and I loved the way Avril tied in all of the characters it was truly amazing. Bittersweet ending for Catia.



Profile Image for D.
1,120 reviews11 followers
March 1, 2026
DNF 20%

A few years ago, I binge read most of Avril Ashton's catalogue. I loved those books! I really think that I either read this one already and didn't log it, or it's very similar to another Avril Ashton book. Either way, I'm so out of this (wonderful) world Ashton created. It had it's time and place, but somehow I don't feel like coming back, at least not at this point.
Profile Image for Chancey "Does not give out 5's like candy"  Knowles.
1,223 reviews19 followers
March 1, 2026
I'm not sure I could have liked this any less. I rated it much lower in my personal ratings. There are multiple reasons for how I feel. But 1st, why then did I still give it 3 stars. That too had multiple reasons. The plot was a major issue for me. I'm very aware that am author cannot please everyone. I just expected for the entire gang to be more featured. A violent love letter to her 1 st series. Instead it felt like it was about one couple and her other series from this universe. I have no problem with this if it still felt like a Sinners book, meaning all the guys. One of the guys we don't see at all; he is left at home. Another's part is just talking to his brother. The 4 others played a small role, but nothing about their lives and what they'd been doing - except for the mention of kids etc... While characters from within the universe have A LOT more page time except for the 1 couple and their child.

But the thing that just broke my heart was an innocent man being killed for no good reason. It might have been within character but it was horrifying. Don't even get me started about the Russian and his use of their "tragedy". It made no sense. The biggest WTF moment for me is when 1 m/c chooses to not let many in the family know that they had idea where she was and they were going to get her. They left these men agonizing with worry. It was stated as a conscious decision before they got on the plane. Then they arrive, start dealing with the daughter, go shopping, attend a wedding AND still haven't thought to call most of the men that are actually from this series. Again, WTF?

I truly wish I'd never read this, though I liked to absolutely loved the rest of the series. After writing this, I might just drop it down to two stars after all.
Profile Image for Calleigh.
454 reviews31 followers
June 26, 2025
angel+gabe, pablo+shane, syren+kane, matteo+tommy
novella | MM | dark | HEA - the end of the series!
▪️3rd POV
▪️found family
▪️mystery/suspense
▪️kids & life now
▪️the conclusion!

The couple rankings:
🏆Syren Rua-Ashy + Kane Ashby
🥈Pablo + Shane
🥉tie between Angel + Gabe and Matteo + Tommy

“Just wanna eat it," Kane kept whispering, alternating between flicking his tongue over Syren's h-le and just plain old kissing it. "Just wanna eat it til I get lockjaw."

⚠️Every reader is different. Please take care of yourself and check content warnings or trigger warnings before starting a new book. Only you know your limits. Be a responsible reader. 🖤

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Profile Image for Katharine Lancaster.
588 reviews3 followers
July 26, 2022
Love Will Find You When the Time Is Right

Càtia: Daddy loves you so much.

Syren Rua: Does that surprise you?

Càtia: No. I just want to be loved like that. Izek loves his wife like that.

Syren Rua: He does. A love like that cannot be forced. It’s either there or it isn’t. If it’s there, you cherish it. You do whatever it takes to keep it. You protect it with your life. If it’s not, you keep looking. You will find someone who loves you the way you deserve to be loved when the time is right. Until that moment, you ensure you do everything to be worthy of that person whenever they appear.
411 reviews31 followers
June 26, 2022
Really enjoyed this, was really nice to see all the guys again. Story was fast paced and intense at times. It just was so enjoyable catching up with these crazy guys again years later and all in love but still hardcore. Loved the entire series, this was a nice bookend. I’ll always crave more though!!
Profile Image for Nirah ❣️.
591 reviews4 followers
August 15, 2022
I put off reading this book because I wasn’t ready to leave this world with some of my favorite characters but I couldn’t resist anymore I missed them 😭😭😭😭

However, it was so good to see everyone loving their best lives being happy and in love, literally melted my heart ❤️
Profile Image for Sarahreads.
312 reviews3 followers
May 14, 2023
Why did it have to end?

Ugh why did this series have to come to an end. I absolutely loved this entire series. I heart hurt for Syren and Kane and the rest of the family. I was mad right along with them. I loved seeing everyone return. Welp onto Run this Town
Profile Image for Luisa.
432 reviews20 followers
June 27, 2022
Syren and Kane in parenting mood are my favs <3.. Also, LOVE the cameos, especially of a certain trio, it always makes me so happy, I just wish we have more and more of them.
Displaying 1 - 10 of 10 reviews

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