The story takes place in the fictional "New Shadow Guard", where peace reigns but undercurrents surge. Lin Muyang accidentally became a national security agent. Under the leadership of senior agent Tang Qiaoer, he entered the world of espionage and gradually revealed the huge conspiracy of the "Candle Shadow" organization. The three volumes are intertwined with plots of trust and betrayal, humor and tension, complaints and challenges between the team, and psychological warfare between the enemy and ourselves. The protagonist grows up in the action, and the team bond deepens, and finally uses wisdom to resolve the crisis and complete self-salvation until he defeats his old enemy He Xingyuan and completely disintegrates the "Candle Shadow" plan. The book depicts a spy world full of humanity through fast pace, humorous lines and ingenious layout.