Directed by Al Adamson, The Dynamite Brothers (aka Stud Brown aka East Meets Watts) opens with Chinese martial arts expert Larry Chin (Alan Tang ) sneaking into the United States at a San Francisco port. Larry is looking for his brother Wei Chin (played by Hero of Cult James Wong) who disappeared several years prior, shortly after Larry’s wife died in an accident.
Upon arrival Larry is attacked by men working for the crooked police officer Burke (Aldo Ray), who was told to watch for his arrival, but Larry is able to overwhelm the group and escapes.
Larry convinces his cousin to tell him 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 (Timothy 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 (Clare Nono), a driver who helps them out.
In Los Angeles, they arrive at the address which is a bar operated by the Smiling Man (Don Oliver). They find that they are in the middle of a gang war between the Smiling Man and Razor (Al Richardson), the latter looking to distribute illegal drugs into the city…