One Sunday, a penniless unmarried young South Korean couple meet, as they do every Sunday; while the pregnant young woman believes they are not ready to bring a child into the world, the young man decides to go visit his friends to borrow money for delivery.
Patriotic university student Youngwoo and his friends, led by their teacher Lee Sung, along with a British friend bid farewell to their families and become freedom fighters in Manchuria fighting against the Japanese occupation around the Tumen River.
Infighting breaks out between factions of the Communist Party over whether to back the U.N. Trusteeship under which the Korean Peninsula is to be divided between U.S. and Soviet control. One faction hires a hit man to kill the leader of the opposing faction. The hit man is known as the best in his field, yet is also known for having a heart.
