Ki Dal-hee is a reclusive, lonely living living in a small rooftop room and blocking contact with the outside. In Ki Dal-hee's eyes, an excited angel, Geum yuankan.cc Seon-ja, who will save him, sneaks into her house and starts a dangerous stalking while looking at her every move. For Ki Dal-hee, Geum Soon-ja became the reason for existence and her energy for a happy life. Ki Dal-hee's daring behavior that permeates her house like a parasite eventually crosses the line, and Geum Soon-ja, who feels ashamed, kidnaps and confines her. Geum Soon-ja imprisoned Ki Dal-hee in prison uniform and condemned her. The femme fatal of Geum Seon-ja is increasingly mysterious, including her maid O Dal-rae as a watchman and having her write a reflection statement. Breaking the line between reality and imagination, the story falls into an uncontrollable labyrinth.

어머니로부터 모텔을 물려받은 경숙. 　　그 묘한 분위기의 모텔에는 금요일 오후 두 시만 되면 　　어김없이 두 남자가 경쟁하듯 503호만을 찾는다. 　　중년 남 ‘수민’과 또 다른 남자 ‘배관공’이 그 주인공. 　　중후함을 풍기는 ‘수민’에게 관심이 가는 경숙은 　　그가 왜 같은 시간에 혼자서 같은 룸만 찾는지 궁금해진다. 　　호기심을 못이긴 그녀는 마침내 503호에 CCTV를 설치하는데…