In the last years of the Republic of China, the current situation was turbulent and undercurrents from all sides were surging. Lin Shaoqing, a common citizen, accidentally got involved in the spy world because his family was innocently implicated. With the joining of Tang Jing, Fatty Sun and other partners, he gradually grew from a "grassroots" agent to a core figure who can stand alone. The story revolves around a top-secret document involving the fate of the country, spanning multiple countries and camps. Lin Shaoqing and his partners not only have to survive in a bloody spy war, but also solve numerous mysteries. They resolve crises through humor and play, and clearly discern their beliefs in times of crisis. In the end, a top-level spy war breaks out that sweeps the world, and everyone's choice becomes the key to destiny.
