Synopsis Korean Movie A Tale of Two Sisters

Su Mi and Su Yeon return home after prolonged illness and hospitalization. Things have not been the same since her mother died. Her return is welcomed by her stepmother Eun Joo. It's obvious that Su Mi, the older and stronger of the two, is not afraid to voice her opinion when it comes to her family problems. Su Yeon is Timider and suspicious of her stepmother and looks to Su Mi for help. The two are constantly attracted and harassed by their stepmother. They have no choice but to endure the relationship for the sake of their father. Su Mi promises Su Yeon that she will never let her stepmother hit again. Inexplicable things happen in the house. Something has changed, nobody knows what it is, but the sisters can feel it. On the first night of the first night, Su Yeon hears someone running up the stairs, opening the door and walking to her bed. As soon as she pulls the blanket over her head, they are taken off immediately, but no one is around. Could it be her stepmother trying to torment her? Or could it be that something more sinister is at work, a supernatural power in the houses that wants to drive everyone away?