Ma’am, it’s on SALE! Jin-Hong, who started working part-time at a mart, experiences a strange happening from his first day of work with his co-worker, “Jin-Kyung.” Since then, Jin-Hong, who keeps thinking about the day, keeps making mistakes and Jin-Kyung, who sees it, calls him to her house… We need to be quiet so that my baby doesn’t wake up… But I can’t stand it anymore, Jin-Hong.”