A vicious serial sex killer is on the loose, and landscape gardener and shop-window outfitter Loris is the prime suspect, thanks to his unfortunate habit of getting caught in compromising situations (for which there is always a totally innocent explanation that the police fail to spot). Undercover policewoman Jessica is assigned by eccentric police psychologist Taccone to follow Loris.

Struggling with a financial crisis, a good-looking widow decides to put herself up for grabs. However, going through with it becomes almost impossible with a new love and the legal system thrown into the mix.

Good hearted but not very wordly-wise, Dante is happy driving the school bus for a group of mentally handicapped children, while feeling he is somehow missing out on life and love. So he is very excited when after nearly being knocked down by her car he meets Maria, who seems immediately enamoured of him. He is soon invited to her sumptuous Palermo villa, little suspecting that this is part of a plot. He bears an amazing likeness to Maria's stool-pigeon gangster husband and it would be convenient for them if the mobster, in the shape of Dante, was seen to be dead and buried.

Sandro, a lawyer, has three sisters and a father, Renato, a man of about seventy-five, who despite his age still loves women very much. The arrival of Lena, Sandro's foreign housekeeper, upsets the normal family balance and provokes different reactions among the various members of the family...