Introduction to the plot of the popular TV series "Unnamed Hero":
More than 60 years ago, Chongqing was the center of the Eastern front in the international anti-Fascist war.
Yan Baohang, whose public identity was ać°general of the Political Department of the National Government's Military Committee, maneuvered within the core of the Nationalist government and the diplomatic circles of countries including the United States, the United Kingdom, and Germany under the direct leadership of Zhou Enlai. With extraordinary wisdom and fearless courage, he carried out an astonishing spy battle.