Barny, although a Marxist, is intrigued by the mysteries of religion. In confession, she teases a priest, Léon Morin, but he is a young and intelligent man and ready to discuss anything.
Armand, a boastful womaniser, makes a bet that he can seduce any girl he wants. He soon crosses paths with a beautiful Parisian divorcee, who is nothing like anyone he has ever met before.
Dany Robin plays the title character in the French comedy Mimi Pinson. The plot is strictly formula stuff, with Mimi being thwarted on all sides by those who have designs on her money and her virtue. Happily, our heroine triumphs over her foes and predators, finding true romance in the arms of Raymond Pellegrin.