Detective Deborah Samson hunts monsters. She thought she left them in Afghanistan. She was wrong.

When a dismembered sex worker turns up in a dumpster, Deborah recognizes the signature—this isn’t just murder. It’s a message.

The killer calls himself Bartu, and he’s unraveling fast. But he’s not working alone. Behind him stands Temujin, a charismatic cult leader who preaches that civilization is a cage and violence is the only path to freedom. His followers have already turned the city into a war zone—coordinated massacres, ritual mutilations, bodies abandoned like trash.

Deborah’s investigation drags her into an underworld of sex trafficking and death cult philosophy. As the case consumes her, everything falls apart: her father takes her niece away, her badge hangs by a thread, and the line between justice and vengeance dissolves.

Because to stop men who’ve embraced savagery, she’ll have to become something savage herself.

And once you cross that line, there’s no coming back.

For readers of Chelsea Cain, Thomas Harris, and Jack Ketchum. Crime fiction stripped to the bone.

WARNING: Contains extreme graphic violence, sexual violence, torture, and disturbing content throughout. This book does not flinch. Neither should you.