Monsieur Pontagnac is a real womanizer living in the most romantic city in the world, where a fatal beauty can be found literally at every step. Getting acquainted on the streets of Paris with a beautiful lady, he still does not suspect that the girl is the wife of one of his friends. Well, love is worth to fight for and marriage is just a small barrier on the path to true happiness! Through some trick, Pontagnac intends to rebalance several married couples in order to stay with his new passion.