With valuable intel from Dunn, Sugimoto's group heads to Yubari. Meanwhile, Tsurumi meets a skilled taxidermist named Edogai and proposes a cunning plan.

While searching for a way to identify the fake skins, Hijikata's and Sugimoto's groups must unite to fend off a surprise attack from the 7th Division.

Sugimoto's group arrives at an Ainu kotan, but Asirpa senses that something is off. Ogata attempts to test the authenticity of the villagers.