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. His girlfriend, Marion, has been kidnapped. Using whatever weapons come to hand he must persue the gang through the slums, factories and wooded outskirts of the city.