Howard Brubaker (Jack Lemmon) is a newly promoted man trapped in a loveless marriage. Catherine's (Catherine Deneuve) marriage would be ideal if her husband wasn't a womanizer. When Howard and Catherine meet at a trendy party for New York's corporate elite, they decide to escape and explore the city instead. Soon the pair find themselves falling in love and deciding to run off to Paris. All they have to do now is tell their spouses.