When the war breaks out, renowned Polish-Jewish poet Aleksander Wat leaves Nazi-occupied Warsaw with his wife Ola and their son. In Lviv, however, they are arrested by the Russians and separated. Ola and her son are sent to Siberia.
The 731 unit of the Japanese tries to escape the advance of Soviet forces in Northeast China.
Volunteer Army volunteer Liu Hanwu has a difficult mission to obtain medical supplies from the city of Harbin in 1940.
A Nationalist Chinese and an American intelligence officer carry out a mission against the Japanese.