In 1973, 15-year-old William Miller's unabashed love of music and aspiration to become a rock journalist lands him an assignment from Rolling Stone magazine to interview and tour with the up-and-coming band Stillwater—fronted by lead guitar Russell Hammond, and lead singer Jeff Bebe.
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.