Cory has a hard time with the fact that graduation is bringing unexpected changes.
The unsolved 1977 case involving the death of Philadelphia doorman Mike Cahill is reopened when Rush and Valens try to link his murder to a serial killer about to be released from prison due to a legal technicality. The detectives uncover the unusual relationship between Mike and the serial killer, Roy Anthony.
While back home for the town's bicentennial festivities, Ben is retained to defend a man for two homicides linked to a 15-year-old crime.
