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.
Lester Burnham, a depressed suburban father in a mid-life crisis, decides to turn his hectic life around after developing an infatuation with his daughter's attractive friend.