Paris at the Belle Epoque. Monsieur de Pontagnac, a perfect honest man, loves pretty women too much and that plays him many tricks. What need does he have to follow the pretty Lucienne Vatelin, home, to find himself in the presence of the husband, the notary Vatelin, who is part of his circle? From there, many characters will meet, avoid each other, find each other. Adultery, domestic scenes and reconciliation will be their lot.

The aunt of Alfred Puc, a meek tax-collector in Paris, dies while riding in a moving van. The driver, not wishing to be bothered by a police interrogation, hides her corpse in a cupboard before notifying Alfred. But the van is stolen. Alfred, being the heir of a rich lady, begins a frantic search to locate the missing van and the cupboard because one can't claim an inheritance if there is no 'corpus delecti.' In his search, he gets caught up in an underworld web and finds the body of a murdered gangster in his room. He finally locates the cupboard but promptly loses it again. But, wait, it isn't "finis' time, yet.

An actress who has just played the part of an old lady says that she would like to grow old like that character did.Sadly, she will not get her wish because she is terminally-ill.