"SERIAL THRILLER: ANGEL OF DECAY," brings viewers to the Pacific Northwest in the 1970s, where a string of victims with similar profiles-young, beautiful women-begin to pop up, and two local police investigators make it their mission to track down the killer before he claims his next innocent victim. As they piece the evidence together and visit some truly horrific crime scenes, viewers will interpret alongside the detectives what it all means, while also getting a glimpse into a community now on edge. As the criminal case gathers in pace and intensity, personal and intimate relationships are glimpsed that may offer clues to the identity of the killer, building to an explosive and unexpected intersection of stories.

A chance arrest leads investigators to an encounter with their prime suspect, but they not sure if they can prove his guilt and continue to hold him.

Investigators are in a race against time to capture the killer; as news of a massacre hits the headlines, it becomes clear that the suspect is on the move in another state; a final showdown ends in a battle of wits.