Lady from Chungking (1942)

In Japanese-occupied China, Madame Kwan Mei is the leader of a resistance organization based in a rural village. When two American airmen are shot down near the village, she makes plans to rescue them and have them help her organization. Then, when Japanese General Kaimura arrives in the village, she realizes that a major operation is imminent. She decides to impersonate an aristocrat, in order to win the general's confidence and learn his plans.