Three former comrades from a wartime propaganda troupe join to form a senoir choir, and are soon joined by their other comrades, who find that it is an uplifting experience in their old age.
The Public Security Bureau intercept a telegram notifying foreign agents to retrieve the "110 secret". Shi Yan, head of the Reconnaissance Section, starts a campaign of counter-espionage, but one of his agents is soon killed on board a train.
A steel plant staff is in conflict over whether to use domestic materials or continue importing from the Soviet Union after the Soviet Union adopts an anti-Chinese position in 1972.
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.
Set in the period of land reform movement, a poor peasant Zhang gets a fertile land. But he doesn't work seriously on it, then loses money and runs into debt. Song wants to buy Zhang's land but his son thinks that they should help Zhang.
After a break-up, a college professor, Xiao, molds his maidservant, Yu, into an independent, modern woman, then marries her. However, their relationship is interrupted by the war - Yu insists on volunteering her help, while Xiao longs for a stable family life.
