Based on the tragic life of King Danjong, the sixth ruler of the Joseon Dynasty, who was dethroned and exiled after a violent coup led by his uncle. Hoping to enrich his village, an ambitious chief volunteers to host the banished noble, only to discover he is the reluctant warden for a young, hopeless teen monarch. An unlikely bond blossoms in South Korea’s highest-grossing film of all time, setting unprecedented box office records.