 While at a nearby restaurant counting the proceeds from their latest "gig," two lead band members meet a gypsy storyteller.She tells them the story of "The Corsican Brothers".The story begins with the birth of two superfecund twins, Louis and Lucien (played by adult Cheech and Chong as babies, children and adults), each by a different aristocratic French father; the two fathers end up dead in a botched duel over their partner's infidelity, with the twins raised as orphans.