A story that complies with undercover cop Gan Tian Lei that spent one decade of his life walking a gray area. After waking up from a major injury, he reactivates his life and attempts to fix an instance by relying on his lost memories. Gan Tian Lei, Yang Xiao Bouquet and Xiong Guo Liang made use of to be the strong trio of the authorities academy. Nevertheless, Gan Tian Lei was dismissed after he wounded a person in order to help Yang Xiao Lei. After leaving the academy, he moves south to make a living as well as was recruited by Che Li Zi of the Caesar Group.