Set in a post-apocalyptic New York, Double Dragon is the story of Billy and Jimmy Lee, twin brothers trained in the Sou-Setsu-Ken fighting style. Together, they run a small martial arts training school, teaching their students self-defense. One day, Billy's girlfriend Marian is kidnapped off the street by the "Black Warriors", a savage street gang led by a man named Willy. The Black Warriors demand that the Lee brothers divulge their martial arts secrets in exchange for Marian's freedom. The Lee brothers embark on a rescue mission to crush the Black Warriors and save Marian. Using every technique at their disposal, from basic punches and kicks to the invulnerable elbow strike, as well as any weapons they can get their hands on, the Lee brothers must pursue the gang through the city's slums, industrial area and forest before reaching their hideout to confront the big boss, Willy