Double Dragon is the story of Billy and Jimmy Lee, twin brothers who learned to fight o the cold, tought streets of their 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: his girlfriend, 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 throught the slums, factories, and wooded outskirts of the city to reach the hideout for his final confrontation with the Shadow Boss...his brother Jimmy!