Nanking (2007) on Netflix

In 1937, the Japanese army invades China in a cruel war and after the fall of Shanghai, the soldiers head to the capital Nanking. A group of Western foreigners led by John Rabe, Minnie Vautrin, Bob Wilson and George Fitch create the Safety Zone, a sanctuary that was not bombed by the Japanese airplanes, to protect thousands of refugees. While the Japanese soldiers reach the town on 13 December 1937, raping, slaughtering and pillaging the civilian, the heroic group of Westerns defends the lives of about 250,000 Chinese sacrificing their own freedom, and succeeds to tell the world the crimes of war committed by the Japanese army in Nanking.