The 1969 murder of a soldier at Woodstock is investigated. The probe reveals that the victim was between tours in Vietnam. During the inquiry, Lilly becomes attracted to a FBI agent working the case. Meanwhile, Vera helps his former girlfriend locate jewelry stolen from her home.

The seventh-season finale sees Lilly searching for her abducted sister. Meanwhile, Jeffries attempts to solve a murder involving a teenage girl that has haunted him for 17 years.