Double Dragon is the story of Billy and Jimmy Lee, twin brothers who learned to fight on the cold, tough streets of the city. Their expert knowledge of the martial arts combined with their street smarts, has made them both formidable fighting machines. But now Billy is faced with his greatest challenge. Billy Lee must punch and kick his way through the crime-ridden streets, taking on the Black Warriors gang in a bid to rescue Bill’s sweetheart Marian from the clutches of the Shadow Boss.