The story of a group of Soviet sailors aboard the freighter Chelyabinsk who aid their Vietnamese comrades after their ship is sunk during the Vietnam War.
After the liberation of the South, Cong volunteers to work at a pepper farm on the island. The members of the farm are elements with a rogue past, led by Dinh, who always disturb the peace and order on the farm.
Hoài and Vận fall in love during the war against the French. Vận fought as a guerrilla and Vận ferried guerrillas across the river. When peace comes, Vietnam is divided in two across the Bến Hải River, leaving them separated.