Traveling through time to become a fan of Yan Shuangying, he was ordered to infiltrate the Kuomintang military command in a critical situation. Using his status as a member of the Youth Gang as a cover, he moved among spies, Japanese aggressors and traitors. On the one hand, he was reused by the military command, and on the other hand, he secretly passed on information to help the party annihilate the enemy. Amid doubt and crisis, he transformed into a "lone eagle", tearing apart the enemy's iron curtain with his wisdom and courage, and writing a stealth legend.
