The story of the Iron Blood Detachment fighting behind enemy lines on the Yunnan-Myanmar border from 1942 to 1945.
Guan Shanyue (former national army staff officer, demoted to the troops behind enemy lines due to strategic mistakes)
Bai Yanqiu (returned overseas Chinese from Nanyang, blasting expert)
Du Heng (former sharpshooter of the Northeast Army, taciturn sniper)
Fang Nianzu (a college student in Peking, proficient in multiple languages)
Shen Mobai (Shanghai liar, good at disguise and intelligence work)
Hygienist He Ajiu (a girl from the Yao ethnic group in Guangxi)
