A murder is linked to a serial killer who has apparently been inactive for 27 years. Involved in the investigation is an FBI agent who has been tracking the killer for 30 years and who was responsible for breaking up Stillman's marriage years ago.

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.