Xiao quan guai zhao (1979)

Director: Jackie Chan, Kenneth Tsang
Cast: Chan Wai-Lau, Cheng Fu-Hung, Jackie Chan, James Tien Chuen, Ma Cheung, Ricky Cheng Tien-Chi, Wong Chi-Sang, Yen Shi-Kwan

Synopsis:

Lung is a talented fighter but prefers to spend his time loafing around and picking fights, despite orders from his grandfather not to fight. Unknown to him, a brutal general has been slaughtering all the people from his grandfathers clan. When the general recognizes Lungs style of kung fu during one of his street fights, he hunts down Lungs grandfather and kills him.