Seo-bi and Cho Beom-pal. They flee toward Hanyang, but along the way Mu-yeong is killed. At the Lord Cho Hak-ju's residence, Seo-bi discovers a cure; a full immersion in water forces away the worm-like entities causing the zombification. At the same time, the Queen pretends to give birth, presenting Mu-yeong's wife's newborn as her own. She poisons her recovered father who discovered the lie, and organizes a zombie research lab beneath her Palace. While the Queen prepares a large proscription, the Royal Guards are lured out of the Palace, allowing the Crown Prince to conquer the place. But the Queen practices a scorched earth policy and orders to release the zombies from the research lab, and chaos ensues. However, the plan of closing the gates of the inner Palace is not sufficient, and the Queen is eaten. The last few survivors escape to the Rear Garden and break the ice of the pond. The zombies are stopped by the water, while the bitten but not yet transformed people are saved from being zombified. Seven years later, the baby is crowned King, while Seo-bi, Yeong-shin and the former Crown Prince investigate the Northern Provinces. Shortly after their arrival to a seemingly empty village, a mysterious woman named Ashin appears inside a barn, and stands next to the undead kept inside wooden boxes for some nefarious purpose. Ashin of the North Set before the events of the first season, the episode delves into Ashin's origin story and her experiences growing into a scorned woman that turned against the Kingdom of Joseon. During her childhood, Ashin lived in the Northern village of Seongjeoyain with her ailing mother, and her father, Ta Hab who was one of the Jurchen people living in Joseon and also the head of their settlement. Tensions were high between Joseon, the central kingdom, and the Jurchen border tribes of Pajeowi. The Pajeowi had gathered their army at the basin of the Pajero River. When fifteen of Pajeowi Jurchen men enter the forbidden area known as Pyesa-gun to illegally gather wild ginseng, they all die unexpectedly. It is revealed that Cho Beom-il, a high-ranking member of the Haewon Cho clan, orchestrated the deaths of the Jurchen men. The Deputy Commander of the Chupajin group, Min Chi-rok was tasked to investigate the deaths of the Jurchen. After discovering Cho's involvement in the killings at Pyesa-gun, he travels to the Seongjeoyain village