In 1914, a cruise ship sets sail from Naples to spread the ashes of beloved opera singer Edmea Tetua near Erimo, the isle of her birth. During the voyage, the eclectic array of passengers discovers a group of Serbian refugees aboard the vessel. Peace and camaraderie abound until the ship is descended upon by an Austrian flagship. The Serbians are forced to board it, but naturally they resist, igniting a skirmish that ends in destruction.

Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss.

Mino and Lello, two sons of a worker wrongly accused of murder, try to find out evidence of his innocence and begin to investigate mafia business in Torino.

A group of dodgy businessmen and their girlfriends/mistresses discover a container drifting next to their yacht with 3 escaped prisoners inside,all are brought aboard and procede to terrorise and humiliate their hosts until rather predictably the victims begin to fight back and turn the tables on their crackpot captors.

Major Bower’s wife tells her lover Chaliko where her father’s fortune is hidden. When the major finds out he murders her and with his gang, goes after Chaliko.

A group of young adults go to a remote villa to do drugs and party, little realizing a woman-hating serial killer who's just escaped from an asylum is hiding out there.