On a rainy night, eccentric tramp Mr. La Souris finds a corpse. But the body soon vanishes in his car leaving only his wallet. While the police start investigating a missing person report, La Souris concocts a plan to secure his find.

In the pound, Pipo the dog recounts his adventures to his fellow inmates.

Monsieur Vincent is the respected healer of a Basque village. But nobody knows that Vincent Berteaux used to be a surgeon in Paris. When Assomption, a young holidaymaker, arrives in the village in the company of her mother, little does Vincent know that the past returns to his life.

The belated and revolting passion of a famous surgeon for a young orphan whom he once took in. He goes so far as to dishonor her to prevent her marriage to a young man she loves, whom she will however end up marrying. The young girl herself is not without reproach; she has missed a mother's love: in this ordeal, she has no sense of feminine dignity.