Disappointed by the marriage of her lover to a woman he does not love, prostitute Harumi drifts from the city to a remote Japanese outpost in Manchuria to work in a "comfort house," or brothel, during the Sino-Japanese war. The commanding adjutant there takes an immediate liking to the new girl, but she is at first fascinated, and comes to love, Mikami, the officer's aide. At first he is haughty and indifferent to the girl, which enrages her, but they are drawn together eventually. Abused and manipulated by the adjutant, she grows to hate the officer and seeks solace in Mikami's arms. They carry on a clandestine affair, which is a dangerous breach of code for both of them.