Ancient Korea, 1728. Swordsman Kim Ho, guard of King Yeong-jo of Joseon, is demoted and sent to work in Uigeumbu prison. When night falls, the prison is assaulted by the master warrior Do Man-cheol and his powerful henchmen for the purpose of freeing Lee In-jwa, who has been condemned to death for rising up in revolt against the king.
During the Japanese occupation, a Korean modern boy, who wants to fit in with the Japanese, falls in love with a Korean freedom fighter.
Two sisters return home after a stay in a mental institution, only to face disturbing events and a strained relationship with their stepmother. As eerie occurrences unfold, dark family secrets begin to surface, blurring the line between reality and nightmare.