Layar-21 – Yoon-joo is a graduate student of fine arts and is working on her graduation exhibition. One day, while she is searching materials for her project, she runs into Ji-soo at a junk shop. Watching Ji-soo in an odd place, Yoon-joo finds herself drawn to her. After their initial encounter, Yoon-joo once again runs into Ji-soo at a convenience store, and the two eventually start dating. Never having enjoyed dating men, Yoon-joo finds Ji-soo fascinating and becomes completely infatuated with her.