In the study of a lawyer, two young spouses tell their story. The singer Tony manages to reach the much coveted success, and can thus marry his girlfriend. But a clause in his record contract obliges him to remain a bachelor for two years.
Salvatore and Rosalino are sentenced to death by the Mafia because they are accused of having seduced the daughters of a boss. As they are about to be shot they manage to escape with the two girls.
While her new husband is away looking for work, the wife loses the child she was expecting and uses another woman's baby as a substitute so she won't have to upset her spouse when he returns.
Roberto Maldi, a young scientist, is trying to find a serum capable of giving courage but he unwittingly invents a serum which transforms any man in a womanizer. His boss scents a good business and wants to produce the serum on industrial basis, but Roberto does not agree.
