Marjolin, called for military duty, has cheated on his wife who found out and decided to get even by being a godmother to another soldier, a cook named Brichoux. Brichoux sells his place to Lambrisset who soon makes a pass at the woman. Marjolin's uncle, a colonel, arrives unexpectedly and congratulates his alleged nephew. But Mrs. Lambrisset, thinking that her husband did not get his leave, comes to Paris to visit her friend Mrs. Marjolin, and finds her husband there. The Colonel sweetens her temper.