Chan Lung Fu has committed crimes in Taiwan and he sneaks back to Hong Kong. He earns his living by illegal car racing while his girl friend Pinky is always on his car during the race. They lead a life as fugitives.

At the blockade set for police inspection, Sun Ma Chai meets Pinky again. Years ago; Sun-Ma Chai arrested Pinky and sent her mother to home for aged people. Pinky has a good will towards Sun Ma Chai.

Lung Fu competes with Happy Boy and it leads to an accident. Happy Boy's car falls down from the cliff and he dies. Sun Ma Chai chases after Fu's car and the police make use of Sze Wai’s car to block Fu's car. Lung Fu jumps out of his car and flees away. Pinky sustains serious injury

Sun Ma Chai persuades Pinky t-o tell-t-he truth but Pinky rejects him. Tze Wai helps Sun Ma Chai to persuade Pinky but her attempt is futile……