One of the three collaborated movies by Trinh Cong Son (songwriter), Hong Sen (director), and Nguyen Quang Sang (novelist). The other two are "Mùa Gió Chướng" and "Cánh Đồng Hoang".
About the heroic struggle of the Vietnamese people against the French colonialists. Commander Dung, who is fighting on the front line, is sent to the rear to organize the supply of ammunition to the forward units.
