Romantic Fighter(1999)

Kickboxer Dennis' heart beats for his brother Wulf's girlfriend. But as long as he is in prison, Dennis dutifully keeps his hands off Tanja. When Wulf is released, his bride wants nothing more to do with him. She now loves Dennis. Wulf senses betrayal. He hires pimp Lara as a thug and also persuades Dennis to take on this dubious job. Meanwhile, his only thought is revenge.