Asirpa and her group encounters the Uilta tribe after Hyakunosuke mistakenly kills one of their reindeer. They must make amends by assisting in a hunt so that they may continue on their journey.
Sugimoto and his team are separated while traversing a brutal blizzard, but eventually find themselves sheltered by an elderly Russian couple who tend to an old lighthouse.
Asirpa remembers something important, Ogata tries to get her to tell him the secret to the code. Sugimoto is following close. Sugimoto's Group has caught up with Kiroranke.