A young jazz musician, whose father is a strict clergyman, was beaten to death by a bottle in 1970. The investigation is reopened at the request of the son of the victim. Meanwhile, an unexpected person comes to meet Rush.
The 1986 murder of a jockey is investigated after his body is discovered in a mass grave for horses. The victim disappeared shortly after after losing a race that he had planned to be his finale before retiring.
The team explores the 1991 case of a 14-year-old girl, who, months after she and her sister were placed with new foster parents, was killed before she could establish herself as a gifted rapper within the local gang-infused Hip Hop community.
The team reopens a 1983 case, originally investigated by Stillman, of a teenaged Chinese-American who was slain before he could obtain justice for his girlfriend who was killed by one of many bullets unleashed at a festival by Chinese gang members.
The team re investigates the death of a young man who was an outstanding debater and was being offered a college scholarship who supposedly killed himself. When someone tells them that he feared for his life.
Newly discovered details about Valen's mother's mugger, a joint custody request from Miller's ex, and brewing legal hurdles for Rush from her arch-enemy (Moe) vex these three team members as they attempt to solve the 1983 murder of a graffiti artist.
The team reopens the case of a dock worker who was moonlighting as an indy-circuit wrestler until he was shot dead in 1986, and Valens secretly looks into a lead on the man who mugged and raped his mother.
The Cold Case Team reopens a fatal 2006 arson case they find new evidence that indicates that the original suspect may have been wrongly convicted. It sends Vera on a bender, desperate to make things right so the team sets out to solve another 'cold case'.
When ballistics tie a recent murder case of Rush's to a serial killer who was seemingly inactive for 27 years, a tough FBI agent with ties to Stillman shows up to enlist the team's aid in finding the killer who has eluded her for 30 years, on Part One of a two-part episode.
Rush and FBI agent Ryan Cavanaugh discover their attraction for one another while investigating the 1969 murder of a GI at Woodstock, and Vera helps his married ex-girlfriend, Megan, after sentimental jewelry is stolen from her home.
Pictures developed from a disposable camera leads the team to reopen the investigation into the death of a prom queen, who was the victim of a hit-and-run accident. Lily's troubled sister reappears, but she is reticent to assist her.
Valens partners with Rush to locate her sister, who was abducted from her drug-littered motel room, and Jeffries tries to bring justice and closure to a long-suffering mother whose daughter's murder case has remained unsolved for 17 years.