"Lady Whirlwind" a.k.a Deep Thrust (1972)

(About this film): Lady Whirlwind a.k.a. Deep Thrust (Chinese: 鐵掌旋風腿) is a 1972 Hong Kong martial arts film written and directed by Huang Feng, starring Angela Mao. (Synopsis): Angela Mao is hell-bent for vengeance and I have never seen her looking as mean and vicious as she does in this film. The film itself is a tangled web of honor and vengeance. A young man (Chang Yi in a rare good guy role) is severely beaten by Japanese mobsters and left for dead on the beach. He is nursed back to health by a pretty young girl and he vows to take revenge on the crooks. Meanwhile, Angela Mao comes to town with a score to settle with Chang Yi. Apparently, her sister was jilted by Chang Yi and she killed herself, so naturally Angela must avenge her by taking his life. Chang Yi begs her to spare him until after he gets his revenge, to which she reluctantly agrees, only to save his life after he gets mercilessly beaten by his enemies. As Angela waits for Chang Yi to recover so she can beat the tar ou