The movie focuses on the battle of Cheolwon, where the 63rd Army of the Chinese People's Volunteer Army (CPVA) was ordered to enter the battlefield of Cheolwon in May 1951, just after a month-long battle, to fight against four divisions of the United Nations Army (UNA). The volunteers fought with bloodshed and finally brought the enemy to the negotiation table.
Xue Fangfei, the daughter of a well-off county magistrate lost everything after a major upheaval. Saved by Jiang Li, the daughter of the Secretariat Director, she took on the identity of Jiang Li and returned to the capital. With the help of Duke Xiao Heng and others, she overcame numerous hardships, tirelessly fought against injustice, rescued her father who had been wrongly imprisoned, assisted Xiao Heng in upholding justice, protecting the common people, and ultimately regained a beautiful life.