Tanigaki joins renowned hunter Tetsuzo Nihei to pursue Retar, the last Ezo wolf in Hokkaido. Sugimoto and Asirpa are determined to protect the wolf.

On the trail of Kazuo Henmi, Sugimoto's group heads to the herring fishing grounds in Otaru. Sugimoto saves a fisherman who grows enamored with him.

Sugimoto's group meets an Ainu who claims to be an old friend of Asirpa's father and shares shocking news. Meanwhile, Tanigaki gets unwelcome visitors.

In Barato, Hijikata's group encounters an unexpected ally. Meanwhile, in Sapporo, Asirpa's group and Ushiyama stay at a hotel run by the alluring Ienaga.

Sugimoto's group witnesses Inkarmat's fortune-telling skills at a gambling den. Later, they make a deal with a rancher to take down a monstrous bear.

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.

As Tanigaki, Inkarmat and Cikapasi continue their journey, Sugimoto and Hijikata devise a plan to rescue Shiraishi from the 7th Division garrison.