Four French conscripts are going to go on leave with their godmother, in Provence, in the company of a comrade from the British army. But, in the absence of the godmother, the five leavers end up at a mineral water merchant.
The two drivers Giovanni and Gaetano are friends. Gaetano, bold and ruthless, thrives in the black market, while Giovanni, who is a naive and fundamentally honest worker from the North of Italy, cannot get any profit and his wife, an energetic and talkative Roman woman, can't help blaming him for his poor business skills.
A young diplomat falls in love with a lady he has followed in the street and in order to establish a relationship, he introduces her into her house proposing a connection between Titì, the lady's dog and her Pekingese.
A cavalry officer is framed for the murder of a fellow officer and cashiered out of the army. After he gets out of prison he vows to find the renegade who framed him and bring him to justice.