Challenge of the Ninjas/shaolin Challenges Ninja

SHAW BROTHERS. Aka Shaolin Challenges Ninja. Ho a man of Chinese decent is married to a Japanese woman. They both feel that here countries martial arts are the best and compete often against one another. Eventually Hos wife beats him by using Ninjitsu. He gets mad and she goes back to Japan. After realizing how stupid he was Ho writes a letter to his wife saying that their styles a similar. Unfortunately her brothers do not see the letter as a peace offering they see it as a challenge and go to China to challenge Ho. Ho kicks each of their buts one by one and gains the respect of the brothers and his wife (which has returned home).