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.
1950. William Lee, an American expat in Mexico City, spends his days almost entirely alone, except for a few contacts with other members of the small American community. His encounter with Eugene Allerton, an expat former soldier, new to the city, shows him, for the first time, that it might be finally possible to establish an intimate connection with somebody.