Su Mingxuan was originally an ordinary employee who was accidentally involved in an international espionage case and had to accept the identity of an agent. Under the leadership of Lin Zhiyao, George and Han Xiao, he carried out various dangerous tasks and grew from a rookie to the backbone of the team. As the cases escalated one after another, they discovered that there were hidden traitors in the hostile dark forces and their own organization. The three volumes of stories respectively revolve around the formation of the team, the breaking of the "Hidden Network" and the final showdown. The period is full of humorous conflicts and tense chases. The whole book focuses on the protagonist's reversal of crisis, growth and introspection, and revelation of the truth, bringing out the trust and betrayal of people in the world of agents.