The Awaken Punch
The Awaken Punch is a 1973 Hong Kong martial arts film directed by Fong LungSeung. The film is as an early example of Yuen Wo Pings fight choreography and features Jackie Chan as an extra.
Cheung motivated by revenge hunts down the gangsters eventually tracking down their leader and killing him. The movie ends with Cheung submitting to the local authorities when he is arrested on charges of murder with the local deputy admonishing him, You should have left retribution to the law.
Source: Wikipedia