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. Marian has been kidnapped by the Black Warriors; the savage street gang of the mysterious Shadow Boss! Using whatever weapons come to hand – knives; whips; bats; rocks; oil drums; even dynamite – Billy must pursue the gang through the slums; factories; and wooded outskirts of the city to reach the hideout for his final confrontation with the Shadow Boss… his brother Jimmy!