Knock

Art student Jeonghwa Seo Woo is moving to a smaller apartment by her school when she trips and falls breaking a small statue on a box She bends over to pick up the pieces and notices an amulet the shape of a queer mask and decides to use it for her exhibit assignment After she moves she hears a weird knocking sound next door She cant sleep because of the knocking sound every midnight and starts sketching the amulet One night Jeonghwa comes home late and runs into a strange woman with long tangly hair and barefoot in front of the elevator She gets off without a word and starts knocking next door Jeonghwa is terrified what is going to happen to her