In Venice a detective is on the trail of a killer who commits a double murder (a married couple) then more grisly killings occur. Sex, drugs, gore and perversions are ingredients of this sadistic and sleazy giallo.

Inspector Angelo De Pol (Jeff Blynn) is assigned to the case of a double murder in Venice, the victims were a married couple. He suspects that a psycho killer in on the loose, however during the investigation the inspector discovers that the husband was a sex maniac and a drug addict. Soon afterwards bloody killings begin to occur.—jairhcastillo