October 1936, the Chinese Civil War between the Chinese Communist Party and Kuomintang. Chen Tiejin is escorting a group of female musicians across a war zone in China. On the route, Chen is reunited with his older brother, Wang Bingsheng, whom he hasn't seen in five years. However, the two brothers are now fighting for opposite sides. The younger brother is determined to fulfill his mission and escort the women to Gao safely, even though his older brother informs that an ambush awaits them.