Six years ago, during a mission, the mysterious Black Tiger Tooth Special Forces was betrayed by its commander. Nine people left and one person returned. The survivor Li Chongba decided to retire from the army after recovering from his injuries. While starting a new life, he searched for the mysterious enemy commander. Under the guidance of the old Taoist priest, he was admitted to a key university in Shanghai and used knowledge and means to change his destiny. After arriving in the Demon City, he struggled between the two paths of black and white and began the legendary life journey of the Demon City King.
