She went to a therapist to save her marriage. She never expected him to prescribe absolute surrender.

Cara Mastra’s life is a cold, quiet cage. Trapped in a loveless marriage to a man who barely looks at her, she agrees to his bizarre demand: visit a renowned intimacy expert to fix what is broken.

Dr. Joshua Sinclair is brilliant, fiercely professional, and impossibly gorgeous. But the second Cara walks into his office, every rule shatters.

The physical chemistry between them is instant and explosive. Joshua sees right through her fragile facade, and he knows exactly what she is starving for. Crossing the ultimate forbidden line, the dominant doctor introduces inexperienced Cara to a world of dark, demanding passion. Under his masterful touch, she experiences a scorching awakening—and finally realizes her marriage isn't just broken. It is a manipulative, toxic lie.

But demanding her freedom comes with a deadly price.

Her vindictive husband refuses to let her go, unleashing a terrifying campaign of revenge. When Cara's best friend is taken as leverage, Joshua refuses to back down. Risking his career and his life, the fiercely protective alpha thrusts them into a gritty, dangerous underground world to save her.

With a crazed gunman on their trail and the stakes higher than ever, Cara must trust the man who unlocked her deepest desires. Will Joshua's fierce devotion be enough to save her from a brutal past, or will the explosive passion that brought them together end in tragedy?