The day of Chief Constable Saracino begins badly when his new car is stolen. Then, in his office, he meets Alfredo Fiori who believes that his wife and her lover, a veterinary, are trying to murder him.
A man is hospitalized in a neurological clinic, suffering from amnesia. After seeing his photo in the newspaper, Mrs. Ballerini realizes that he is her husband and brings him home; then Mrs. Polacich recognizes him as her husband.
The marquis Galeazzo di Torre Alta is murdered by a mysterious killer who calls himself Diabolicus. His heirs are his three brothers and a sister, but all of them, with the exception of Monsignor Antonino di Torre Alta, are killed by Diabolicus. The police are unable to solve the case, but when...
A well known actor comes to off-season Capri to unwind and meets a young man. The attraction is immediate and mutual but before their relationship can get off the ground, an alluring woman with a spontaneous sexuality and care free attitude joins the triangle and the boy is slowly pushed out of the...