A detective, Gregory Boyd, listens to police interviews from the 1983 case of Katherine Martin's murder, and picks up on discrepancies in Gregory Martin's story about her death, leading to suspicion that he may have killed his wife.
The detectives' patrol unit responds to an armed robbery and huddle up to try to figure out what to do next in a case where they have limited information.
A detective investigating a murder case in Long Beach knew he would face criticism when an alleged accomplice of the suspected killer was arrested and quickly released, intensifying public scrutiny of the police department's handling of the case.
Detective Cedillo discovers that the primary suspects in a recent robbery of a retail store, American Eagle, are the former assistant manager, Carter, and her boyfriend, David Mallory, who hasn't been seen since the incident.
In part two of Michelle Eason's story, police are determined to crack their main suspect in the serial missing persons cases that might be related to Michelle's. With the help of an FBI profiler, they devise a plan to finally corner him, leading to the discovery of the horrifying truths behind the missing persons cases.