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.
A memorial service for Fei Ke brings together female journalist He Shan and four strangers who are invited. They all share undisclosed pasts with Fei Ke, but they discover that the Fei Ke they knew is not the same person. Who is Fei Ke really? As they look back, the group gradually uncovers the truth about Fei Ke.