Single Mom’s Biker Brigade: A Why Choose Secret Baby MC Romance

by Lisa Cullen

I ran from three possessive bikers with their baby in my belly.

Seven years later, my garage is burning, my son is coughing smoke into my neck, and the first men to arrive are the ones I betrayed.

Hawk, Diesel, and Colt were never supposed to find us.

Especially Colt.

Because one look at Cody’s hazel eyes and stubborn chin tells him the truth.

I stole his son.

Now someone wants the evidence I buried years ago, and they’re getting close enough to touch my child.

So when Cody is taken, I have no choice but to trust the three men I swore I’d never need again.

They want my secrets.
They want my body.
They want the family I kept from them.

Seven years ago, I ran with one secret.
This time, if I fall back into their arms…
I might leave with another.



Single Mom’s Biker Brigade is a scandalous why choose biker romance featuring a runaway single mom, three possessive bikers, a secret son, forced proximity, touch-her-and-die protection, kidnapping suspense, and a pregnant-again HEA. No choosing. No cliffhanger. HEA guaranteed.

Genres: Why Choose

308 pages, Kindle Edition

Published June 12, 2026

Reviews

[kymagirl · Rating 5 out of 5]

She ran with his son, then danger dragged her back to all three.

Callie builds her life out of distance, grit, and locked doors. Seven years after leaving Hawk, Diesel, and Colt behind, she’s a single mom with a garage, a child she’d die for, and a past she refuses to explain. Then fire tears through her life, and the first men to reach her are the ones she never planned to face again.

Hawk carries command like second nature. Diesel sees threats before anyone else knows to look. Colt, reckless and wounded, recognizes the truth Callie has spent years protecting, and the reunion cuts deep because wanting each other was never what broke them. Trust was.

As danger closes in, Callie has to stop surviving alone. The men she ran from become the only ones standing between her family and the secrets hunting her, pulling them back into heat, hurt, and a love that has to be rebuilt without ownership.

Callie grows from treating self-reliance as the only safe option into someone who can accept protection, desire, and love without losing her agency. Hawk learns that real protection means changing the rules, Diesel makes space for her voice inside the danger, and Colt learns that staying can be braver than running. Their bond starts as volatile, high-heat attraction shaped by secrecy and fear, then becomes a chosen relationship built on trust, shared protection, sexual honesty, and belonging without possession.

An ultra-steamy, dark, emotionally intense why choose biker romance featuring a runaway single mom, three possessive protectors, a secret child, forced proximity, touch her and die devotion, kidnapping suspense, and a second chance built in fire. It’s about survival, autonomy, intimacy, trauma, power, found family, and the risk of being loved by people who refuse to let you disappear again.

The Elevator Pitch: A guarded single mother thought distance could bury the three men who once made her feel wanted, but fire has a way of exposing what survival tried to hide. When danger closes around her son, the bikers she ran from become the only shelter strong enough to stand between her family and the past hunting them. As old secrets surface, trust becomes the most dangerous surrender of all, especially when desire was never the part that broke them.

Heat Level: 🔥🔥🔥 Ultra-Steamy / Erotic Romance

[Jade · Rating 3 out of 5]

Hawk, Diesel, and Colt. Three bikers. One woman. And absolutely no way they’re supposed to have her.

Callie knows exactly what she wants, and surprisingly, it’s all three of them. The problem? The MC’s rules say otherwise.

I enjoyed this one overall. It had plenty of suspense with danger lurking around every corner, and the chemistry between the four of them was undeniable. The protective, touch-her-and-die energy was strong throughout, with the guys willing to do whatever it took to keep Callie safe.

I especially loved getting the men’s POVs, particularly Colt’s. There’s something refreshing about seeing these tough, intimidating bikers reveal their vulnerabilities, insecurities, and fears of not being worthy of the woman they love.

That said, I felt like some backstory was missing. The relationship between Callie and the three men could have benefited from more development before they got together. At times it felt like she escaped one dangerous situation and immediately found herself wrapped up in another relationship without enough time for those emotional connections to grow naturally.

The romance also leaned heavily into insta-love territory, which may work for some readers but left me wanting a little more build-up.

My biggest issue was the ending. After all the tension and danger throughout the story, the final confrontation felt a little anticlimactic and was over before I really had time to process it.

If you’re looking for a straightforward biker romance with protective heroes, plenty of spice, suspense, and a why-choose dynamic, this is definitely worth checking out.

[Jayne Wheatley · Rating 3 out of 5]

I have to say I really enjoyed this biker romance.
It started with Callie calling the police on her step father when he beats her up mother and tries to sexually assault her in yet another drunken rage. He threatens her as he’s being taken away, so Callie does what she can to protect herself.
She takes a journal with his dodgy deals written in and goes to the local bikers MC as a mechanic which also gives her protection.
I was confused as to what happened to her mother tho as she wasn’t mentioned again.
Given the name wrench she knuckles down and impresses the president and she ends up sleeping with him and two other biker guys. I won’t spoil the read with all the details but Callie runs after finding out she’s pregnant thanks to one of the old ladies chat with her. Also the men were making her choose one of them as rules forbid multiple partners.
Her past is catching up to her as the bikers find her 7 years later.
I’m confused on the this aspect that they’re looking for her for 7 years until a tip off finds her in danger yet she was so close she kept her own business and her son went to the same school so not too thought out lol
The end was rather rushed I would have liked to see her son being told who his father was and that they were a happy family of 5 in an unusual but loving family.

[The Book Ssirren · Rating 5 out of 5]

Such a great read. When Callie ran seven years ago from Diesel, Colt, and Hawke, she never told them she was pregnant. Ever since she’d gotten her father thrown in prison, life hasn’t been quiet or safe. And now the garage is on fire. She needs help. That form of help is none other than the three she ran from. It was then that Colt looks at her son Cody and realizes that’s his son. She goes with them. They protect her, want her. And keep her son safe too. This was intense and filled with danger and chaos. I loved the twists and turns in this. The way they took care of her and Cody like they never missed time. This was a really good story and I loved every minute of it.

[Leanne Bryson · Rating 4 out of 5]

What a great read! Seven years ago, Callie fled from Diesel, Colt, and Hawke without telling them she was pregnant. After putting her father in prison, her life has been anything but safe. Now her garage is on fire, and the only ones who can help are the three men she ran from.
When Colt sees her son Cody, he instantly realizes the boy is his. Callie goes with them, and the guys protect her fiercely, claim her, and treat Cody like their own. Packed with danger, chaos, and gripping twists, this intense story had me hooked from start to finish. Loved every minute!.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.

[Jacqueline · Rating 4 out of 5]

Callie is a mechanic in the MC's garage and after a steamy encounter with Hawk, Diesel and Colt, they tell her she has to choose. When she becomes the target of an enemy of the MC she takes off to save herself and her son. She is targeted again and the guys ride in to the rescue. This is a super steamy RH romance with the OTT alpha MC guys you would expect. I really liked all of the characters, especially Callie - FMC with non-traditional roles are my weakness. I bit more backstory to the guys would have helped but was not necessary.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.

[Carylle · Rating 5 out of 5]

Fight for life

This story tells of a young woman who has been on the run with her small son of a biker MC,but an other MC bikers were after her for a larger that she had it so thy think she had from her stepfather who was part of their guys with all there details of there and James of people.but the cops that were on their payroll.I have enjoyed reading this story and I look forward to reading more of them in the future thankyou for all your hard work and may fortune smile 😃on you always 😁from a bookworm that loves to read

[GKP2460 · Rating 5 out of 5]

Callie, Cole, Hawk and Diesel brings us an intense, gritty, dramatic, second chance story. These characters are absolutely on fire and thier journey is just as hot. Callie runs one time with something that was theirs but there won't be a second time. Danger comes calling for her and her men are quick to show everyone that what belongs to them is untouchable. Single Mom's Biker Brigade is a great, fast-paced journey and absolutely a recommended read!

[Narelle · Rating 5 out of 5]

Callie has history with the three bikers (Hawk, Diesel, and Colt) from the Iron Vultures MC, with one of them the father of her young son Cody. A steamy why choose read with drama, single parent, secrets and more. A great read.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.

[Amy Jones · Rating 5 out of 5]

Great Book!!
I really enjoyed reading Single Mom’s Biker Brigade, this was a fast read for me once I started it. The chemistry between Callie, Colt, Hawk and Diesel was super HOT and I loved the ending!!

[Doris · Rating 5 out of 5]

Loved It

I loved this second chance MC romance with men claiming what is theirs. The relationship between Callie, Cole, Hawk and Diesel was sizzling and it was a real page turner watching them get to their HEA. The suspense just added another layer to this book.

[Christine · Rating 5 out of 5]

Arc review I received a free copy of this book via Booksprout and am voluntarily leaving a review.Ever since Callie put her step father in jail trouble has been following her now she even has more to lose

[Omnia Atef · Rating 4 out of 5]

Good one fast-paced needed more incidents and less spice but really all of them however could have been better if there was a scene with confession of their fear and arguing about leaving Callie and Colt then more emotions with accepting to be all daddy for Cody

[SC Girlie · Rating 3 out of 5]

Could be great but way too much bbs

I’m sorry but it’s been seven years. I don’t care who they are, you don’t instantly forgive a situation and have your hands wanting to reach for them and your body heating etc. Just way too fast

[Diiana Parra]

Cap 17 Halkon

[laura · Rating 3 out of 5]

Great story

The story is great even though it's on the same story line of three men and one woman it also brings a different story than the books in the series.

[Carmalita · Rating 2 out of 5]

Callie, Hawk, Colt & Diesel

This book needs a very thorough editing. There’s random letters thrown in, misspelled words, character descriptions kept changing & character names were swapped.

Also, a little more research was needed before writing a mc book. Ridge was listed as an enforcer originally but he’s now the president.

I felt no connection between the characters & the beginning was essentially insta love with all four of the MCs - I think this was partly due to there not really being a timeframe laid out, aside from the 7 years prior.

The book was fine for what it was but there are so many more great books to read with your time.

[Shirley Cushley · Rating 5 out of 5]

Great story

Lots of action, love and camaraderie. Storyline was interesting and lively. Looking forward to the next book of the series.

[Melanie · Rating 4 out of 5]

.

Simple and sweet read, light on th mc part which let the storyline focus on the characters and their relationship.

[eve oakman · Rating 5 out of 5]

Fantastic

Such a good book gripping from page one to the last line Lisa Cullen is brilliant writer love everyone of her book's. Can't wait for the next one

[Julie · Rating 3 out of 5]

Good

It was a good book. I enjoyed it but would of like more of the MCs to be in the story line more but liked the characters and how the story unfolded