A fanatical Nazi colonel holds a terrible secret weapon in his hands and can be stopped at the last second by a Russian spyka. Their blitzkrieg love results in two children, Romeo and Juliet, who grow up under fundamentally different ideologies. And while mad scientist Romeo tries to find the formula for his father's chemical weapon, it's up to big-breasted Juliet to stop the Nazi threat!

When Karate champion Michael Rivers wins the last tournament of his career, shady businessman Ron Hall offers him the opportunity to fight in an illegal Kumite in Bulgaria against the world’s best martial artists. When Michael declines, Hall has his daughter kidnapped and, in order to rescue her, Rivers is left with no choice but to compete in the deadly tournament. Arriving in Bulgaria, he finds out that he is not the only fighter whose loved one was taken. Rivers enlists the help of trainers Master Loren, and Julie Jackson but will it be enough for him to win the tournament and save his daughter’s life?