A girl who witnesses the brutal murder of her grandfather plots revenge on the killers who are involved in an opium smuggling ring. Unbeknownst to them, she becomes "The White Butterfly Killer," unleashing her deadly kung fu power.

• Hu Pao (Hong Kong) Film Co.
• Hsu Feng
• Kou Feng
• Yu Sung-Chao
• Li Chiang
• Shan Mao
• Chen Hui-Lou
• Tsai Hung
• Ko Hsiang-Ting