In 1925, Gao Fengchun and his girlfriend He Li returned from studying in the UK, determined to save the country through medicine. They came to Dingzhou, a mountain city in western Fujian, to open a poor relief clinic. In the Wangjiang Tower, Gao Fengchun, He Li and their young friend Wang Zhanfei and Fang Liang, a student movement leader who recently met, debated how to save the country. In the bloody storm of counter-revolution, Gao Fengchun’s religious enlightenment teacher Charlie took off his disguise, Wang Zhanfei betrayed the revolution, Gao Fengchun’s hospital was destroyed, and He Li was deceived back to Shanghai. After a series of changes, Gao Fengchun's ideal of saving the nation through medicine was completely shattered. In the baptism of blood and fire, he gained a new life and plunged into the torrent of revolution.
Qiong Hua is a slave girl of Nan Batian, a big landlord in Yelinzhai Village on Hainan Island. She has tried many times but cannot escape from the landlord's cruel oppression. Later, Nan Batian jails her in a water dungeon. Hong Changqing is the Party representative of a red detachment of women. He disguises himself as a wealthy businessman residing abroad and comes to her rescue. He pretends to buy Qiong Hua to be his slave, saves her from the abyss of sufferings, and instructs her to join the red detachment of women. At the outset, Qiong Hua joins the revolutionary rank to settle her personal grudge. Educated by Hong Changqing, she becomes a conscientious revolutionary fighter.
Based on the story of Li Zhong about the struggle of Chinese volunteers on the Korean front on the side of the North Korean defenders of the homeland. In the center of the film is the family of the deceased volunteer Yong Qing.
The passenger ship Haiyan, with more than a thousand people aboard, sails through a thick fog at night. Despite having the knowledge that there are reefs nearby, the captain refuses to stop or slow down.
To restore communications to the island of Hainan, the People's Army sends scouts across the Palm Grove Strait to the Leizhou Peninsula, where the detachment radio station was located.
