The virtuous Nicole is the wife of wealthy composer Lucien. Through an error made by a dressmaker, Nicole discovers that Lucien is leading a double life, keeping the sexy Chichette as his mistress. In retaliation, Nicole kicks up her heels and begins fooling around with a reckless gigolo. When our heroine's hedonistic new lifestyle threatens the well-being of her son, a contrite Lucien returns home and promises never to stray again.