Tong Mu

As a frontline police officer, Li Chengyang faced oppression from all sides, framed by evil forces, and even his boss, the chief of public security, in order to prevent him from investigating.

Wang Yunshan is the leader of the Eighth Route Army Regiment. Although uneducated and hot tempered, he possess an extraordinary military mind. He dared to fight hard and taking an unorthodox strategy, he was able to win against the Japanese army.

A female college student falls from a building in a bizarre manner. Cheng Rui, the deputy captain of the Criminal Investigation Detachment who has just been transferred to the post, is assigned by the deputy director Du Yulin to investigate the hidden story behind the case.