One day a man buys a used electrical motorcycle and starts delivering goods. On this day, Lan Xu and his girlfriend Li Can quarrel because of the pressures of life. In order for life to continue, Li Can decides to leave her 3-year-old daughter An An at home and steal some things from the store. What will the chain of small and seemingly insignificant events of this long, long day lead to?

From September 13 to October 16, 1949, the soldiers of the Fourth Field Army of the Chinese People's Liberation Army (PLA) ushered in the founding of the People's Republic of China with their lives and blood in the Battle of Hengbao, which spanned the founding ceremony of the People's Republic of China.