Dynamite Brothers

Dynamite Brothers, also known by its alternate title East Meets Watts, is a 1974 martial arts and blaxploitation film.

Larry Chin, a Chinese martial arts expert, sneaks into the United States at a San Francisco port, looking for his brother Wei Chin who had disappeared several years prior, shortly after Larrys wife died in an accident. Larry is waylaid by men working for the crooked police officer Burke, who was told to watch for his arrival, but Larry is able to overwhelm the group and escapes. Larry convinces his cousin for an address in Watts, Los Angeles where his brother had last been seen, unaware that his cousin has been warned not give that information and is later killed in a car bomb.Larry is picked up by Burke while attempting to take a bus to Los Angeles, where he is handcuffed to Stud Brown. Stud creates a distraction to allow them to escape, and the two work their way to Los Angeles, with Larry explaining his situation to Stud and Betty Fon, a driver that helps them out. In Los Angeles, they arrive at the address which is a bar operated by the Smiling Man, finding that they are in the middle of a gang war between the Smiling Man and Razor, the latter looking to distribute illegal drugs into the city. When Stud and Larry save the Smiling Mans life, he recruits them to his cause and offers to help. While talking with the Smiling Man, Stud becomes attracted to the mute Sarah. ........

Source: Wikipedia