Wu Zhizhen (Gui Lunmei), who looks cold and glamorous, exudes the charm of a mature woman, which is a fatal temptation for men, especially for Zhang Zili (Liao Fan), a policeman who had met her once. Five years ago, Wu Zhizhen's husband Liang Zhijun (Wang Xuebing) was determined by the police to have died in a bizarre corpse dismemberment case. At that time, Zhang Zili solved the case and shot the murderer who resisted arrest with a gun. Five years later, a similar serial case occurred again, and these deceased people had been in love with Wu Zhizhen. Zhang Zili, who had an unresolved heart knot, took the initiative to approach Wu Zhizhen, but fell in love with this woman like a moth to a flame. The two people who suffered major setbacks in life gradually went from sympathizing with each other to loving each other. With closer contact, Zhang Zili discovered the truth of five years ago...