In the 28th year of the Republic, the whole nation is engulfed in the flames of resistance against Japan. Liu Zezhi, who graduated from the Juntong Qingpu Training Class just over a year ago, is ordered to keep watch on Li Shiqun, who is suspected of planning to defect. Sure enough, Li Shiqun defects. By a twist of fate, Liu Zezhi accidentally saves his life. Li Shiqun becomes the head of Unit 76, the secret service of Wang Jingwei's puppet regime in Jinling. Liu Zezhi seizes the opportunity to go undercover at Unit 76. Nationalist agents, Japanese spies, and collaborators wage a deadly battle! The Chase the Sun plan: an impossible mission with almost no chance of survival. Poisoning Li Shiqun: should personal feelings or the greater good of the nation prevail? A comrade is captured, but the rescue plan is mercilessly rejected... The gold must be seized: no one will be allowed to covet Longguo's wealth! A band of iron-willed men join forces to compose a tragic hero's song. Even the toughest man has a tender side, but the woman he loves is offered up on the altar...
Find out who wins in the end!