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

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

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.

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.