A sergeant finds out that a GI hides a child in the military barracks. The boy is the son of another soldier who sings in a night club but due to series of misunderstandings the sergeant believes he is his own son, born from a former love story.

The adventures of three university students who live in the same boarding house. Ugo, the most serious one, is in love with Lea, daughter of the lodger. Aldo is a practical joker, Bartolozzi is the shiest. Ugo and Lea's love story becomes stormy because of Aldo.