Uncle Tak is famous for using Chinese herbal medicines to cure diseases. A martial arts expert he also teaches the young how to defend themselves. One of his students Johnny dreams of monopolizing the teaching of kung fu throughout the United States. To accomplish this he tries to kill Uncle Tak. Chuck Uncle Tak's best student from Hong Kong comes to Los Angeles to find his master. Chuck is willing to let Johnny have his way and tries to take Uncle Tak back to Hong Kong. But Johnny and his men will not leave Chuck alone. Chuck on his way back to Hong Kong returns for the showdown.