Yeon-shil is the lover of crime boss Dong-il. She pays off one of the boss's henchmen, Man-ho, with whom she once had an affair; Man-ho is an opium addict, and he has been blackmailing Yeon-shil by threatening to disclose their past relations.
A man assists a woman in danger, but through her actions, she unintentionally causes his death. Everyone in the village knows that she visits his tomb every spring, but no one knows the details of her story.
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.
