Ginette, daughter of a foreman of an automobile factory, and Claude, son of the director of this company, love each other, but the father of the young man refuses the marriage.
A blackmailer is murdered. Vauzelle, the lover of the beautiful Michelle Korany, is suspected because he was the one who was being blackmailed.
Two villagers have adopted a child abandoned on the road. A jealous kid drags him away from the village. He is collected by a traveling circus where his kindness attracts him the affection of all and especially that of the animals. One day he finds his mother and his two adopted fathers.
