The sole survivor of a shootout that killed five fellow cops battles physical injuries and memory deficits to learn the truth about the massacre.
S01:E04 - Episode 4
Fan Kai, the son of Lou Yi, the retired director of the Public Security Point Hospital, disappeas and coms to the Xiguan Detachment to call for the reception of Qin Mang's nephew Qin Chi.
S01:E05 - Episode 5
In order to help Qin Chi retrieve his memory, Feng Xiao brings Qin Chi to the scene of the 714 case without approval on the grounds of assisting in the investigation, and Qiu Dongyang is reprimanded.
S01:E10 - Episode 10
Lu Mingjia obtained customized watches from Zou Xiaowen and Shi Jing respectively, and rules out the suspicion of the two through the time in the dash cam and convenience store monitoring.
S01:E17 - Episode 17
Qin Chi learns during the conversation between Chen Rui and Lu Mingjia that Lu Mingjia had assigned Peng Peng to look for Cheng Yan's traces for the special agents when he was in a coma.
S01:E18 - Episode 18
Qin Chi obtains from Qin Hao the contact information of Huang Ziqiu, the leader of the investigation of the long-standing case, but Huang Ziqiu didn't know the cause of the case back then.
S01:E19 - Episode 19
Chen Rui lost contact. Qin Chi found her through mobile phone positioning, but did not think that when he was going to buy garlic bread, Lu Mingjia also went to see Qiu Dongyang in private.