10-year-old Jonghyun found a doll within a big dollhouse in the storeroom at the roof of his newest house. He named it Jinki, and played and slept with it every day. Jinki got into his dreams and even caused Jonghyun to start sleepwalking. As they began to get to know more about each other, Jonghyun failed to realize what a deep web he was getting himself stuck to.