Night Raid 1931 Season 1 Episode 10 In the Country of Frozen Earth

During the group's next mission to find evidence that the Chinese are smuggling in weapons from Germany at the Dalian port, Kazura is ambushed by a group of Westeners. When Isao comes to his aid, he reveals to Kazura a secret base where nuclear weapons are being developed. His words force Kazura to make some decisions that he may regret.