Detective Bond (Chow Yun-Fat) accidentaly hurts an illegal immigrant San (Joey Wong Cho-Yin) in a police operation. As a remedy, Bond takes her back to his home. But his fiancee misundrstands and feels very jealous of this girl. One day San is captured by the head of the illegal immigration (Shum Wai). He rapes San and forces Bond to pay the ransom. Bond finds the hideout and fights against them. Bond and San finally feel their loves towards each other, however, it is time for their separation.