A young man in love with a married woman takes the husband's place in the barracks and finds his rival there. But the fact that there are two Champignols in the ranks gives rise to many misunderstandings. But the husband preferring his painting, willingly abandons his pretty wife to the lover.
Hoping to scare wealthy young Bernard into getting married to his longtime fiancee Georgette, a phony fortune-teller is hired to inform Bernard that he is to die very soon. But thanks to a case of mistaken identity, the fortune-teller delivers this message to middle-aged gym instructor Étienne....
