The 23rd episode is based on the story of Trident. In the 23rd episode, Pan, a big iron man, received a phone call saying that he suddenly fainted on the physical education class and rushed to the hospital. Trident is a public security criminal investigation drama with Kyle as the producer [22], directed by Chen Jianbin, Dong Yong and Hao Ping, starring Du Juan He, Xu,,, and an actress, born in 1969. It tells the story of three old policemen who were once all-powerful. Facing new crimes, Qi Xin worked together to innovate detection methods, and finally knocked out financial criminal groups in one fell swoop.