March 1989: two respected chemists from the University of Utah stand in front of a wall of reporters. Flashbulbs pop as they announce they have solved the world's energy problems using seawater, batteries and a mysterious glass contraption. 'Cold Fusion' is born. Within days, Stanley Pons and Martin Fleischmann are on the cover of Time Magazine. But three short months later, their careers in tatters and their reputations ruined, they flee the US as Cold Fusion becomes synonymous with 'bad science.' Twenty-two years later, despite continued disdain from mainstream science, a group of scientists, entrepreneurs and one high school student are confident that Cold Fusion will save the world, and that we're closer than ever to the Holy Grail of civilization. They're The Believers.

Six amateur musicians accept an offer to play a 2-week gig in the Catskills. When the bass player suddenly falls ill, they recruit a genuine pro to fill in. As they embark on the opportunity of a lifetime, dreams and reality begin to collide.