David Quinn and Vince Velazquez meet with a neighboring town's police officer who asks if they will investigate his father's murder. After 28 years, the murder of Leonard Hill remained unsolved and the detectives set out to piece together this decades-old crime. Their investigation leads them to Hill's family where they unearth a shocking revelation.

Vince and Quinn are assigned to a cold case of a man found shot to death in his car. They try to figure out who wanted the man dead.