荆楚是一名年轻有为的刑警,由于屡破大案被调任南星市重案大队副队长,与大队长刘大仁,警员柳如玉,周子升,常雁等人共同工作。荆楚由小卖店杀人案认识了具有超强记忆力的杨绵绵,而杨绵绵似乎又与荆楚父亲多年前的离奇死亡有着千丝万缕的联系。南星市知名博主南宫辰和女子偶像组合成员莎月相继死亡,死因均是过量注射一种药物,而致死药物来源无法查明,这意味着一种未知药物正威胁着人民的生命安全,重案大队的刑警们对相关案件抽丝剥茧,发现了背后更深的阴谋,同时荆楚等办案刑警的生命也受到威胁。尽管前方迷雾重重,但南星市公安刑警不怕牺牲,牢记使命,最终捣毁了源自A国罪恶的违禁药试验基地,解救了一批深受其害的无辜市民。一起谋财害命、生产制造违禁药物的特大案件告破,公安刑警们拼尽全力保护了南星市人民的生命安全
A story that follows a detective in the major crimes division of Nan Xing City Police Department. Together with a woman who has super memory, he upholds the law one case at a time in solving murders, burglaries and bringing down a narcotics manufacturing facility.
Jing Chu is a young and capable detective. Due to his repeated merits from cracking big cases, he is promoted to the position of major crimes division vice-captain at Nan Xing city and starts to work alongside his new team. Because of a murder case, he meets Yang Mian Mian, a young woman who possesses a photographic memory. He soon realizes that Mian Mian seems to have a deep connection to his father's mysterious death many years ago.
Meanwhile, a famous blogger and a member of an idol girl group die consecutively. Their cause of death is identified to be due to a medical substance. As the major crimes division launch their investigation, they uncover a dangerous conspiracy that could threaten their own lives.