Da Eun is set to become a newspaper reporter. She lives with her father Son Man. Although her father does menial work, Da Eun is proud of him. One day, Da Eun goes to the movie with her boyfriend Jae Kyoung and friend Bo Ra. They watch a movie that is based on a real life unsolved crime. A man kidnaps a boy and demanded ransom from the parents. The child is later found dead and the killer is never heard from again. The only clue to the killer's identity is the ransom phone call he made to the parents. At the end of the film, they play the actual recorded audio from that phone call. When Da Eun hears the voice she becomes frozen. The man's voice sounds eerily like her father.