A ruined banker is abandoned by his mistress. He commits suicide after entrusting a prostitute with twenty-thousand francs. The money changes hands. A crook is arrested in the house of an an actress he had fooled. In a luxury hotel, a typist kills her lover's wife. The trial of the murderer is followed by the bankruptcy of another financier and the money finally returns to the mistress of a suicide in the restaurant in which she had first appeared.