Wang Haitao traveled through the Republic of China detective Zhou Zhenlong. The case he took in the past was that the dancer Zhu Manyu committed suicide by jumping off a building. Her family member Zhu Manzhen was dissatisfied with the police's handling of the case, so she took a personal vendetta and joined forces with Wu Zhijie to deal with the external cooperation. Killing many men related to Zhu Manyu involved more lives.
Zhou Zhenlong found out that there was a protective umbrella behind him, and the protective umbrella turned out to be his colleague's father.
In the end, the suspect was caught, but he was not killed...
