Judge Julien Lamy regularly deals with the welfare of children, namely down on their luck delinquents. When an orphan named Alain Robert burns down a barn belonging to his abusive foster family, Judge Lamy has no choice but to send him to a juvenile jail. There he meets an older boy named Francis Lanoux, who is desperate to escape and be reunited with his girlfriend Sylvette. The boys eventually flee the institution, as Francis goes in search of his lost love and Alain continues looking for his parents. Unfortunately, the little rebels run into some big problems once on the outside.
A famous singer disappears in a plane crash. Her two little girls are given a new home by their grandfather. Unfortunately the good man has an old housekeeper who goes out of her way to make their lives impossible. In desperation the two brats run away to Paris. Meanwhile, the girl's father manages to steal important documents. In the end, Gaby and Ginette track down their mother who had not got killed at all. All is well that ends well.