In order to fight crime and realize his dream of being a police officer, young Liu Ziming came to work in a criminal investigation detachment of the Municipal Public Security Bureau with passion, but the trivial and boring investigation work made him feel boring. Under the guidance of his master, he gradually corrected his attitude and participated in solving cases together with his team members. In the process of handling cases on the spot, Liu Ziming became more calm and sophisticated, growing into a responsible criminal investigation captain, leading his apprentices to continue to solve various cases. After experiencing a series of major, important, strange and weird cases, Liu Ziming gained a deeper understanding of the good and evil in human nature and grew into an excellent criminal investigation captain.
