A dull gunshot broke the silence of the night, and Yu Dongfang, a famous entrepreneur in Binxi City, fell in a pool of blood. Gao Yifan, the criminal investigation captain of the Municipal Police Department, was ordered to set up a special task force for the May 25 shooting case, and was required to solve the case within one month. Li Minghao, the adopted son of the drug lord Li Jinchuan, was urged by his adoptive father to go home to discuss the plan to revive the family business. Li Shanhu, under the instruction of Zheng Beishan, the manager of Sunshine Hotel, was preparing to introduce pornography, gambling and drugs into Sunshine Hotel.