When a witness comes in with information of what might be a bitter argument, Lilly reopens the 1969 case of a female rocker overdosed in a blues' club.

The discovery of a buried map inspires Lily and the team to reopen the case of a black teenager beaten to death in 1995. The team's reinvestigation soon reveals that the boy was planning a teen-week private trip to a state forest and racistly harassed.