In 1937, during the Nanjing Massacre, postman A Chang pretended to be a photo developer to save his life. He developed photos for the Japanese army and took in a group of Chinese soldiers and civilians, making the photo studio a temporary shelter. However, in the face of the brutal atrocities of the Japanese army, A Chang risked his life to transfer the refugees safely and made the evidence of the massacre public.
(Source: Chinese = Baidu || Translation = MyDramaList)
~~ Based on the Nanjing Massacre.