Living with my friend and his wife! The three of us! Ji-soo and Joon-yeong have been married for 5 years. Unlike the first few years of marriage, Joon-yeong is terrified at the sound of Ji-soo taking a shower. However, Ji-soo advances on Joon-yeong more and more because she wants to have children. Meanwhile, Ji-soo's best friend Yoon-kyeong comes back from the Philippines and spends a few days with the couple. Joon-yeong feels his manhood reacting when he see's the young-looking and sexy friend of his wife's...
Jae-hyeon is about to return to university after military service and making moneny by selling sweet potatoes. One day a regular customer and call girl Hye-ri asks him to be friends and Jae-hyeon, who was interested in her, says yes. One evening he sees her getting beaten up by her pimp husband and Jae-hyeon rushes to help her. They get close from this point on and spends a night together. However, she's hurt the next day when she sees the money he's left for her and never sees him again. Time passes and Jae-hyeon gets a job at an insurance company, living a dull life when she appears once again. They fall in love like they met destiny and start living together. Jae-hyeon is exhausted supporting Hye-ri who suddenly wants to become an actress and their relationship starts to crack. To make things worse, she quit her night job so her pimp husband was looking for her everywhere and pressuring on Jae-hyeon....
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…