The Angry River (1971)

Name: The Angry River
Genre: Fantasy, Adventure
Released: 1971-05-12
Duration: 90 min
Cast: Angela Mao Ying, Kao Yuen, Pai Ying, Raymond Lui, Han Ying-Chieh

The plot has to do with a reign of terror conducted by a mysterious killer dubbed "Poison Dart," who is hitting all kinds of prominent people with poison darts.