During a stopover, Morel, an airline pilot and Colette spin the perfect love. She hides from him that she is compromised in the actions of a band of criminals. She manages to escape her dangerous friends while a shootout wipes them all out.

Two bank employees like Lucie, their colleague. They steal money from the cash register to gamble. Jean wins and Paul ends up in prison for five years. When he leaves, he discovers that Jean has become a businessman and that he has married Lucie.

A somewhat naive young man, newly married to a well-to-do young lady, is harassed by a promiscuous woman he met on a train. Everything will end well.