Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

"This investigative series examines cases of murder motivated by a lethal mix of mental illness, role-playing rituals and bizarre religious beliefs.
Loading. Please wait...
Episode 1
-In 1968 near Florence a couple of lovers is shot in their car. The weapon will never be found. In 1974 another couple was shot with the same weapon. These double murders mark the beginning of a series of enigmatic murders. For 20 years couples are murdered during moonless nights. Each time, the murderer takes the sex of the woman. The investigators believe that the killer, baptized by the press The Monster of Florence, mutilates his victims to use their organs in satanic rituals.