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.
While at a colleague's wedding, Jeffries impishly persuades the team to spend their time at the reception casually investigating whether the bride was responsible for killing her former fiancé, whom they learn died hours after canceling the nuptials.
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.