Twelve years after a one-night stand, Lainey and Jake run into each other, only to learn that both of them have succumbed to a long pattern of cheating that makes it impossible to maintain a relationship. As they bond over their similar challenges, love sets in despite their attempt to deny it.
A cute and good-hearted womanizer gets romantically involved with a serial cheater, forming an unlikely platonic relationship while their mutual attraction deepens.