Introduction to the plot of the movie "The Fifth Action Group"
In 1940, under the iron hooves of the Japanese invaders, in Shanghai, Japanese army, puppet army, foreigners, and the Green Gang were all mixed together with various forces. The fifth action group, a secret organization of the New Fourth Army stationed in Shanghai, was brutally killed by Kong Tianyou, the head of the 76th special service agency due to the betrayal of a traitor. In order to rebuild the underground armed organization in Shanghai and continue to strike against the enemies and gather intelligence, reconnaissance officer Yang Li accepted the order from the headquarters of the New Fourth Army, infiltrated into Shanghai, and made contact with the underground liaison officer Qiu Ting.