Detective Sam Dietz investigates a series of ritual murders linked to a shady therapist, Dr. Sara Lee Jaffee. The victims all had near-death experiences and attended Dr. Jaffee's therapy sessions.
Relentless IV: Ashes to Ashes
A veteran detective must navigate a complex network of personal connections with his trusted partner and insightful psychiatrist as he delves into a baffling serial killer investigation.
