Léonard Monestier owns a fortune, alas his wife Cynthia made a poor investment in a oil concession that is useless. Not even close to letting this get down him, Léonard makes the decision to get a sucker to buy this concession. Directly on cue looks Antoine Brévin, a befuddled billionaire who is very interested in Léonard's beautiful daughter Patricia and would do anything to secure her hands...