Shuang tou ying zhi mi

Black Sun: The Nanking Massacre depicts the brutal events behind the Nanking Massacre committed by the Imperial Japanese army against the Chinese people during the Second Sino-Japanese War.

Hao Wei was a gun-maker, he made a mysterious perfect gun during the Cultural Revolution. Now he works as a film print transporter for cinemas, yet the temptation of guns drives him into the deeper crime.

Set in the period before the Lugou Bridge Incident, Chinese patriots destroy the Japanese's drug works in Peking.