Kat and Ben, each entangled in their own extramarital relationships, yearn for something beyond their current lives. A chance encounter on the street sparks an instant attraction between them. They soon find themselves confiding in one another, revealing personal aspects of their lives while still concealing their true identities. As they share drinks, they are unexpectedly joined by a married couple, who turn out to be their respective partners. Now, they face the dilemma of how to navigate the remainder of the evening.