The story backtracks the years not covered in the first series when Shan Li Jie (Blue Lan) was serving a prison sentence.

Yu Yan (Ady An) decides to change her delicate, weak image in order to not be Yu Hao's (Dylan Kuo) burden anymore. Yu Hao is not happy with herr transformation, as she has become a different person and not the same girl he feel in love with, but he is unable to stop her in becoming a "big sister" triad. Due to arguments and conflicts between the two they gradually grow apart.

On the other hand Yu Hao is also facing conflict from his triad boss Xiong Ge (Ken Lo) from the Eagle gang, due to his growing popularity with the other members. Xiong Ge feels that Yu Hao wants to usurp his position as the head of the Eagle gang and causes conflict between Yu Hao and rival gangs. This causes Yu Hao to be faced with a decision, if he should continue to be loyal to his gang or betray them. During this time a undercover police officer, Ah Lie (Show Luo) becomes good friends with him Yu Hao. But he is really their to gathers information and destroy the Eagle Gang.