The Victim
A kung fu expert lives in fear of his violent stepbrother, who went on the run after trying to rape his own brother’s wife on their wedding night.
Starring Sammo Hung, Leung Kar-yan, Fanny Wang, Chang Yi, Peter Chan Lung, Wilson Tong, Yuen Miu, Karl Maka, Paul Chung Fat, Wellson Chin Sing-Wai
Watch "The Victim" on Tubi TV released in 1980. It's a action & adventure and drama movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie, and is currently available to watch for free.