During the 1937 Nanjing Massacre, a postman poses as a photo developer, helping Japanese forces while secretly sheltering Chinese refugees. He later risks his life evacuating them and revealing evidence of the atrocities.

Liu Haoran
as Su Liuchang

Eric Wang
as Wang Guanghai

Gao Ye
as Lin Yuxiu

Wang Xiao
as Jin Chengzong

Zhou You
as Song Cunyi

Yang Enyou
as Jin Wanyi

Daichi Harashima
as Hideo Ito

Wang Zhener
as Zhao Yifang

Yang Haoyu
as Judge

Liu Yichun
as Feng Hua