Haunted by a heartbeat that never belonged to her and emotions she can’t control, Y/N never expected her soulmate to be Kael Valemont — one of the most feared men in the criminal underworld. But when their rare PhantomPulse bond awakens after she moves beneath his penthouse, obsession, addiction, and violent devotion tie them together in ways neither of them can escape, turning them into something the city quickly learns to fear.