Silvano Tranquilli

When his colleague is murdered by a criminal gang, a Milanese cop goes undercover in order to single-handedly destroy the organization from within.

A serial killer is on the loose. His victims are unfaithful wives and he always leaves compromising photographs at the crime scene.

A wager to spend the night in a castle on Halloween makes a reporter a witness to its past through restless ghosts reenacting their grisly deaths.

A policeman hunts a serial killer who paralyzes his victims before slaying them.

A journalist makes a bet that he can spend one night at the haunted Blackwood Castle, where he learns that the paranormal rumors are true.

In director Umberto Lenzi's top-notch crime thriller, a hard-nosed police detective (Maurizio Merli) takes on the Mafia as two syndicates wage a bloody war on streets Naples!