A young separated couple meets by chance on the terrace of a Roman park. The husband hardly recognizes in the woman's uninhibited and provocative behavior his ex-wife, who, realizing the exciting effect it has on her ex-spouse, even offers him a threesome.

Gianni is a middle-aged man with sexual problems. His doctor, seeing that medicines are useless, advised him to try to have relationships with several women but only a beautiful psychologist will be able to solve his problem.