Sun Jiayu

Qiu Jia Ning is a core member of a research lab spearheaded by the leading pharmaceutical company in the nation. As their experiment enters the clinical phase, a new researcher by the name of Zhou Xiao Shan joins the team. His sharp acumen and quiet nature attract Jia Ning's attention. In reality, he is a broker who has walked into their lives for the purpose of stealing Jia Ning's research.

A gripping story of espionage during peaceful times follows a group of security officers who rely on their intellect, investigative skills and love for their country to help them win the final victory. They are ordinary people around us with unusual backgrounds and secret identities in a gunless war against hidden opponents.