This is an exciting story of a love triangle in the big city which ends in tragedy. A life-long friendship is ripped apart by passion. Two old friends in love with the same man, but only one of them knows it.

Li and Yang are a top team in the special police unit.

Yang is about to marry Superintendent Joe. But unbeknown to her Joe and Li have had an affair which Joe is now trying to break off.

Li cannot accept this so she goes to persuade Joe to break the engagement. Yang walks in on them and a huge row ensures. Things deteriorate into a fight and Li knocks Yang unconscious and kills Joe in a fit of insane jealousy. She then frames Yang for the murder.

Yang escapes arrest and goes on the run.

In an effort to prove her innocence she seeks the help of Coco, an accomplished female car thief who is the head of a gang of young criminals.

Coco has taken to a crime due to a traumatic experience she had in her teens. Although Coco is a criminal, she has great qualities of loyalty and friendship, and stands by Yang through thick and thin as Yang desperately tries to prove her innocence.