A ship with Lt. Koito, Tsukishima, Sugimoto and Tanigaki arrives at Sakhalin on the trail of Kiroranke. They find Cikapasi stowed away on board, but Sugimoto and Tanigaki believe he can help them find Asirpa. While Lieutenant Koito visits a shop to sample local Hurep wine, they learn that Asirpa has been taken to an Ainu village further north...