Four bandits commit a robbery in a villa. The maid calls the police and Commissioner Carli immediately orders patrols to chase them.

The Countess Clara is in love with Andrea Valverde but agrees to marry the Count Guido when he learns that Andrew is his brother from his mother's side.

A successful businessman travels to Italy to arrange for the return of his tycoon father's body, only to learn that dear old dad died with his longtime mistress.

A series of random suicides in Rome, Italy are attributed to a heatwave, but a young pathologist named Simona—who is working on a thesis about murders disguised as suicides—suspects otherwise. When a young girl associated with Simona's playboy father ends up dead in another apparent suicide, Simona teams up with the girl's priest brother to prove she was murdered and track down the unknown serial killer.

A maniac on the loose is committing savage acts of slaughter, and one survivor may be the only key to unmasking the serial slayer known as the Half-Moon Killer. The mysterious half-moon lockets he leaves with his victims could be the only key to unraveling his sinister motives, but will that be enough before he completes his ice-cold plot to claim his intended seven victims?

The United States of America, after the great success of Vietnam, Watergate and so on, have decided to expand their activities in Italy. Mr. Chips has chosen Eddie Mordace to open the Italian branch of the multinational American Love Company. So Eddie opens in Milan a small branch of the Company whose purpose is to comfort women. Eddie hires Simbad, Adone and later, when business starts to go well, Ugolino, a real Count, and Ivanoe, a raper, who becames the attraction of the House.