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. They go after her, but find another Ainu girl, Enonoka who saw Asirpa. On the way to her village, the group is attacked by a wolverine and Koito is bitten
Sugimoto introduces himself to the large Japanese man from the Stenka audience, Maiharu Gansoku, but they speak no further. Through the tavern owner, the Japanese group is asked to throw the fight to have their dog returned, but they angrily decline. Their main opponent at the second Stenka is their target, the tattooed prisoner Gansoku. The bout begins with Sugimoto taking on Gansoku and ends with only Gansoku and the Japanese standing with Sugimoto punch drunk after suffering too many blows to
Kiroranke's group arrives at the location of a Karafuto Ainu village where Asirpa's father Wilk was born, but they find that it was abandoned during the Japan-Russian war and is now the location of a silver fox farm. Kiroranke and Ogata confirm that Nopperabo was Wilk and that Asirpa has knowledge that can decode the maps tattooed on the prisoners which they must carefully extract from her. Meanwhile, Tsukishima bids farewell to Gansoku and warns Sugimoto never to go berserk again. Tsukishima's
Sugimoto's group arrives in Toyohara, centre of Karafuto, and a young boy steals a bag containing the copy of Gansoku's tattoo. Koito chases him to the Yamada Circus and the group offer to join the circus hoping publicity may let Asirpa know that Sugimoto is alive. Koito is the only one with real talent as an acrobatic, so Sugimoto offers to perform the "harikiri" act while Tsukishima and Tanigaki are relegated to join the "dancing girls" act under the harsh dance mistress Fumie. On the day of t
Kiroranke's group had travelled much further north on Sakhalin than Sugimoto believed, and were at near the Russian border although low on supplies. Ogata shoots a reindeer from an Uilta’s herd and they are told by the herdsman that they must replace it. The group go hunting with the herdsman and his son, and when they find a wild herd, Ogata shoots all the reindeer, providing the Uilta with an abundance of food and skins. It is revealed that this is part of Kiroranke's plan to befriend the Uilt
Kiroranke explains to Asirpa that he and Wilk were involved in the assassination of Emperor Alexander II. Meanwhile, the Russian sniper suspects that Ogata has set up a decoy and waits all night before making his move. In the morning, he sees an Uilta coffin and fires a bullet into it, suspecting that Ogata is hiding inside. However, Ogata was waiting for the Russian to reveal his position and shoots him dead. Ogata returns to the others stricken by a high fever from and eating snow and exposure
Sugimoto's group head north on two dog sleds but become separated in a blinding snow storm. Sugimoto, Tanigaki, and Cikapasi reach the shoreline and they dig in to weather the storm using the dogs for warmth. Meanwhile, Koito, Tsukishima, and Enonoka find shelter in a farmhouse. When the farmer returns, he shows them an old lighthouse on the property with a Fresnel lens beacon which can be seen from a great distance. They light it up and it leads Sugimoto's group to the farmhouse. Reunited and r
While Sugimoto's group prepare to move on, Hijikata is in near Kushiro, searching for clues to a small object which the former prisoner called Shinzo Doi, also known as "Yoichiro the Manslayer", had in Abashiri prison. His group meets an Ainu called Kiraushi who explains that the object is a "kotan", part of a male puffin's beak and he takes them to nearby Nemuro where there is a breeding colony. At Nemuro, Yoichiro the Manslayer has become a feeble old man, nearing death. Meanwhile, assassins h
Sugimoto's group get closer to Asirpa who is with Kiroranke in Ako. At a Nivkh village in Ako, Kiroranke discovers that other revolutionaries in addition to Sofia are held in the Alexandrovskaya Prison and tells the others that they could help the Ainu. In a flashback, to the period following the assassination of Emperor Alexander II, Kiroranke, Wilk and Sofia fled to Vladivostok. There they met the Japanese photographer Koichi Hasegawa who had opened a photographic studio and married Fina, a lo
Kiroranke's group obtain explosives from an abandoned lighthouse and plan to blow holes in the four walls of Ako prison. Unfortunately only one charge works, and as the prisoners head for the hole in the wall, they are confronted by a hungry Siberian tiger. Nevertheless, Sofia and many others make their escape across the ice floe, and she reunites with Kiroranke. She recognizes Asirpa as Wilk's daughter and tells her how Wilk convinced her that the Eastern ethnic minorities needed to unite to pr
Kiroranke and Sugimoto's groups are now near each other on the Strait of Tartary ice floe, and a number in incidents happen in quick succession. Shiraishi is relieved to find Sugimoto still alive, but is surprised to learn from him that Ogata shot Sugimoto and Wilk (Nopperabo). While searching for firewood, Ogata presses Asirpa to tell him what she remembered of her father's secret code and tells her that Kiroranke arranged the murder of Nopperabo. Tsukishima finds Svetlana freezing on the ice,
Kiroranke gains the upper hand in his fight with Koito, but he is shot by Tanigaki. However, before Tanigaki can kill Kiroranke, Asirpa arrives and demands to know if he was responsible for her father's death. Unfortunately, Kiroranke dies before answering her. As Sugimoto's group cover Kiroranke's body in ice, Sugimoto tells Asirpa that before her father died, Wilk said that he did not kill the Ainu transporting the gold. Gansoku catches up with them as they head back to the Nivkh village near