I am Shen Yan, no, I am Yue Heng, an underground worker with both the qualities of a detective and a genius mind. After being bound to an exclusive espionage system, I solved a series of unsolved cases in the treacherous occupied areas, dug out hidden enemy secrets, united all anti-Japanese forces to gradually expand the sphere of influence, and carved my own path to hegemony in the troubled world of spy shadows.
