At fortysomething, straight-laced Cal Weaver (Steve Carell) is living the dream—good job, nice house, great kids and marriage to his high school sweetheart. But when Cal learns that his wife, Emily (Julianne Moore) has cheated on him and wants a divorce, his "perfect" life quickly unravels. Worse, in today's single world, Cal, who hasn't dated in decades, stands out as the epitome of un-smooth.