Rush reopens the death of a depressed teen previously considered suicide. He was obsessed with Kurt Cobain's suicide, but Rush pursues a new angle that she won't relinquish.
When a mother claims to know who killed her daughter at a 1968 debutante ball, Rush reopens the case. The woman's desire for social status may have led to her daughter's murder.
After bank robberies by thieves wearing Johnny Cash masks, Rush finds a link that may give new information on an old murder of a bank teller during an almost identical robbery.
When a drug case is reopened, Valens reveals he had worked undercover on the high-profile case, and now he must face the demons that have been haunting him for eight years.
Rush and her colleagues must solve a killer's demented puzzle and save a young boy's life. In one night, they are pushed to their wits' ends trying to crack the code.
