A serial dater (Cameron Diaz) finally falls for a man, but when he keeps coming up for reasons he has to be away, she finds out he's married. His wife (Leslie Mann) comes to visit her and they start up a friendship.
The two women soon discover that he's cheating on both of them with yet another woman. They meet her through a chance encounter and the three of them decide to get revenge. After researching into his work, they find out he's stealing from his partners and put a plan in motion, both to bring him down at the office and in his personal life.
