Monsieur Jourdain is a dangerous madman : he wants to share his fortune! His relatives do what any sensible fellow on earth would do: they have him committed to a mental hospital. But Jourdain manages to escape and decides to make everybody happy except... his heirs!
A banker has been locked away by his family due to his erratic and possibly immoral behavior.Escaping, he hides out in a boarding house and tries to bring happiness to several of its residents.