The dark, twisted pasts of a female detective, a rookie cop, a politician, and a wanted criminal all collide when a murder takes place that looks exactly like an unsolved case from 23 years before.

A battle of a ferocious gang against a hunk-turned pacifier! The entire Special Ops Team was annihilated due to Zhou Yong's mistake. He felt guilty ever since. One day, two children knocked on his door. They were actually the children of the late Special Ops Team Leader, and Zhou Yong was forced to take care of them. The gang that they had engaged before are approaching Zhou Yong and the children for their revenge. With burning anger inside his heart, Zhou Yong plays a cruel game of survival with the approaching gang.