A story set in 19th century China and centered on the lifelong friendship between two girls who develop their own secret code as a way to contend with the rigid cultural norms imposed on women.
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.
