So-yeon (Park Min-young) suffers from claustrophobia due to a childhood trauma. So-yeon is still treated for her condition to this day. She works as a groomer at a pet shop. One day, a cat named Bidanyi comes into the store. The next day, Bidanyi’s master is found dead in an elevator. So-yeon, by request from police officer Joon-Suk (Kim Dong-wook), takes the cat home. Shortly later, So-yeon starts to see a mysterious young girl. She becomes more frightened when her good friend Bo-Hee (Shin Da-eun) is found dead. Near Bo-hee, there is a cat which Bo-hee recently adopted from an animal shelter. So-yeon now fears for her own life. So-yeon and Joon-suk delve deeper into the mystery and try to figure out what is the significance of the cats.
The review will be up soon after I watch the darn movie.