Kingdom () is a 2019 South Korean period horror streaming television series, created and written by Kim Eun-hee and based on the webtoon series The Kingdom of the Gods (신의나라:버닝헬) by writer Kim Eun-hee and artist Yang Kyung-il. As Netflix's first original Korean series, it premiered on January 25, 2019. It stars Ju Ji-hoon, Ryu Seung-ryong, Bae Doo-na, Kim Sang-ho, Kim Sung-kyu and Kim Hye-jun. The entire first season, and the first episode of the second were directed by Kim Seong-hun, with Park In-je directing the remainder of that season. Set in the 16th century and three years after the end of the Imjin War, Kingdom takes place in a fictional, medieval-inspired Joseon (modern-day Korea) and blends political thriller and elements from zombie horror. The story follows Lee Chang, the Crown Prince of Joseon, who attempts to investigate the mysterious illness recently afflicting the King, only to find himself caught in the middle of a deadly epidemic ravaging the Kingdom of Joseon. While trying to save the Kingdom from the plague, he must also stop his political opponents from seizing the throne. The series was positively reviewed, and renewed for a second season which was released on March 13, 2020. A special feature-length episode of the series, titled "Ashin of the North", was released on July 23, 2021, presenting a focus on the supporting character played by Jun Ji-hyun. The episode acts as a sidequel to the second season of Kingdom and explores the backstory of Ashin, the mysterious character Lee Chang's group encountered on their journey north to discover the origins of the infected. Synopsis Set during Korea's Joseon Dynasty, three years after the Imjin War, the first season of Kingdom follows the story of Crown Prince Lee Chang and his subordinates, who stumble across an unnatural plague that resurrects the dead amidst their investigation of a brewing political conspiracy and rumors of the King of Joseon's death. Amidst the chaos and death that ensues, Chang meets allies who try to make a stand in the city-state of Sangju before it spreads further into the province, only to discover that the plague has already adapted. The second season picks up during Lee Chang's struggle to save his people from the spread of the plague and his dynasty from the machinations of the powerful Haewon Cho clan who hides a sinister secret. Kingdom: Ashin of the North Kingdom: Ashin of