Pei Yuyan, the heroine, got to know the man Yu Hao, because Yuyan Pei saved the man Yu Hao who was beaten by a group of gangsters, so there was a bond between the good girl and the bad boy Yu Hao.
Yuyan Pei, played by Ann, originally came from a scholarly family, but left home because she fell in love with the gangster Yu Hao. In order not to be a burden to Yu Hao, she gradually became a gangster.