Jean, a shy young bartender, is mistaken for a millionaire by a beautiful, scheming opportunist named Irene. When Irene discovers his true identity, she abandons him, only to find that a love-struck Jean has no intention of letting her get away. Jean's comical attempts to gain her affections gradually evolve into setting himself up as a gigolo at a luxury hotel, until Irene finally starts to warm to her persistent, persuasive suitor.