When their mother is hospitalized in a car accident, Pim and Putt suddenly discover that they have a set of grandparents they've never known about. But a terrifying truth has long been hidden within the walls of their grandparents’ house, a truth that gradually reveals itself to Pim and Putt through a mystical hole, unleashing hair-raising horror on their family.

Joy is the new maid of a royal house, whose previous maid disappeared under mysterious circumstances and is now haunting and terrorizing the family. Joy works to uncover the reason behind the former maid’s disappearance.