Wang Haitao transmigrated into the Republican era as Detective Zhou Zhenlong. In the past, he had handled the case of Zhu Manyu, a nightclub dancer who had supposedly jumped to her death. Her family member, Zhu Manzhen, was dissatisfied with the police investigation and joined forces with Wu Zhijie to take revenge, coordinating from inside and out. They killed several men connected to Zhu Manyu, putting even more lives at risk.
Zhou Zhenlong discovered that the culprit had a powerful protector, who turned out to be the father of one of his own colleagues.
In the end, he caught the suspect, but still couldn’t bring him to justice...