Zhao Xiuli

An old postman has spent his whole life delivering mail to the mountain of Hunan and is about to retire, his only son due to take over his duties.

The biography of famous Chinese geologist Li Siguang.

Hunan boy Zhu escapes from local tyrants chase, joins the Hunan troop and gets promoted soon. The superior recommends Zhu to the military school where he meets undercover CCP Cheng Kang. Zhu participates in the Northern Expedition after graduation and joins CCP later.

Problems when a female truck driver gets into conflict with horsedrawn wagon teamsters.