So-yeon (Park Min-young) is an animal groomer who works in a pet shop. One day, she gets stuck with a Persian cat named Silky when its owner suddenly dies. From then on, So-yeon is constantly haunted by a bobbed hair girl with green cat-like eyes who makes her life turmoil. The presence of the girl and the sound of Silky's cries start to close in on her life more and more as a series of mysterious deaths occur around her.