The team re-opens the 1951 case of a marine who went missing and never reported for duty after his shore leave.

When human remains are found in a duck pond, the team reopens the 1967 murder of a brush salesman.

The team re-opens the 1999 murder of a Cuban baseball star who fled to the U.S. after being fired from his team.

The team re-opens the 1995 case of a skateboarding prodigy who lived on the streets.

The 1974 murder of a private investigator is probed after his body is discovered in the cement foundation of a demolished building. The investigation reveals the victim uncovered damaging information about his last few clients and that he hired a tough associate to provide muscle during his final investigation.

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.

Valens partners with Rush to locate her abducted, drug-addicted sister, while Jeffries tries to bring justice to the case of a murdered teenaged girl that has haunted him for 17 years.