Cady Heron is a hit with the Plastics, an A-list girl clique at her new school. But everything changes when she makes the mistake of falling for Aaron Samuels, the ex-boyfriend of alpha Plastic Regina George.

When best buds Rick and Fred begin to show signs of restlessness at home, their wives take a bold approach to revitalize their marriages, they grant the guys a 'hall pass'—one week of freedom to do whatever they want. At first, it seems like a dream come true, but they quickly discover that their expectations of the single life—and themselves—are completely and hilariously out of sync with reality.