大泽龙蛇

Dr. Gu finds a fly, but he didn't recognize it, thinking it was a newly discovered bug in the world.

Canadian surgeon Norman Bethune assists the Communists during the anti-Japanese struggle.

Twelve-year-old Hai Wa sends a secret letter containing Japanese military information to the Eight Route Army during the anti-Japanese war.

After the end of the war, Mrs. Lu's eldest daughter's fiancé Situ Yan returns to Shanghai from Chongqing. When they meet, they find that he is an impoverished journalist, and cannot provide for them. One day, Situ Yan exposes a corruption case, which implicates many people, including Mrs. Lu's brother.

1930s, Jiangxi Soviet Area. Jiang Mengzi bids farewell to his newlywed wife Xiang Wu'er and joins the main force of the Red Army on the Long March. Xiao Zhenkui, the leader of the "Communist Removal Group", took the opportunity to return to the countryside to launch a white terror. Mengzi's father, chairman of the Township Soviet, and his sister were killed at the same time. The pregnant Wu'er gave birth to a child on the way to escape. Wu'er is found out hiding and forced to work as a wet nurse. Will Mengzi return in time to save his family?