This TV series is a suspense TV series of the Republic of my country about modern suspense themes compiled and directed by a Chinese director. It was released in 2018. The TV series tells the story of the Republic of China period. A four-person team partnered with each other, speculated on each other in the Qianmen rivers and lakes, and successfully achieved their goals after experiencing a series of thrilling and weird stories
The beginning of the TV series introduces Shanghai in the period of the Republic of China. By coincidence, they were involved in Tianfu's underground rivers and lakes---in the Qianmen Rivers and Lakes, each of them has unique skills, and their identities change. In the long-standing case, the four of them had their own thoughts in the case, and working together, the four of them solved various supernatural and bizarre cases, slowly uncovering the long-standing shocking secrets, and the team of four also slowly moved towards Mature.