Yan Zi
Three sworn brothers, Yu Hao (Dylan Kuo), Shan Zi (Blue Lan), and Yang Xiong Qi (Michael Zhang), that are delinquents, grew up together fighting local neighborhood rivals. Although they are not triad gangs, they make enemies with them when they offend some of their members. Yu Hao who is considered the leader of the three falls for good girl Xiao Yan Zi (Ady An). Yan Zi comes from a well to do family and has been taking piano lessons since she was young hoping to become a pianist. Yan Zi runs into a bloodied Yu Hao in the streets and saves him. Yu Hao, who has always been in love with Yan Zi, uses this chance encounter between the two to break the ice and chase after Yan Zi but the three sworn brothers end up joining triad gangs when they have to protect Yan Zi.