Su-mi has a nightmare of her late mother's ghost. The next day, she finds family photos which reveal that Eun-joo was formerly an in-home nurse for her then-terminally ill mother. She discovers bruises on her sister's arms and suspects Eun-joo being responsible. Su-mi confronts Eun-joo about the bruises but Eun-joo refuses to apologize for her actions. That night, their uncle and aunt arrive for dinner, and Eun-joo tells bizarre stories that bewilder them. The aunt suddenly suffers a violent seizure and suffocates. After recovering, she tells her husband that she saw the ghost of a dead girl beneath the kitchen sink during her seizure. Eun-joo tries to see what is beneath the sink, but the ghost girl violently grabs her arm.