When The Monster of Florence strikes again in 1982 and kills another young couple, police turn to a 1968 homicide that also occurred in a car at night.

The Monster continues to terrorize couples. A chilling night out points suspicion toward a different man with disturbing belongings and a lack of alibi.

Police take the only eyewitness back to the scene of the first murder. In 1958, societal conventions push someone into an unhappy union.

With police hunting for clues, a suspect goes into hiding as the true nature of a tumultuous love affair from the past comes to light.