Relentless IV: Ashes to Ashes (1994)

Sam Dietz returns to tackle a new serial killer on the loose. As he delves into the investigation, he faces the challenge of balancing his professional duties with personal complications, including his alluring partner and his psychiatrist, who possesses vital information about the case. The pressure mounts as Dietz races against time to prevent another murder, all while navigating the complexities of his relationships. With suspense and intrigue, this installment of the series showcases Dietz's relentless pursuit of justice amidst a tangled web of emotions.