A fading actor best known for his portrayal of a popular superhero attempts to mount a comeback by appearing in a Broadway play. As opening night approaches, his attempts to become more altruistic, rebuild his career, and reconnect with friends and family prove more difficult than expected.

A ticking-time-bomb insomniac and a slippery soap salesman channel primal male aggression into a shocking new form of therapy. Their concept catches on, with underground "fight clubs" forming in every town, until an eccentric gets in the way and ignites an out-of-control spiral toward oblivion.