The Cat

So Yeon is a pet groomer who suffers from claustrophobia stemming from a childhood experience. One day, one of So Yeon’s customers dies on the elevator, leaving her cat Bi Dan behind. The mystery of who killed the woman on the elevator is unknown, and the cat is the only witness. As the police begin their investigation, they ask So Yeon to take care of Bi Dan. But something strange happens to So Yeon from the day she brings Bi Dan home.