Min-young can't open the door because she left her office key at home. Eventually, he calls Daenyeong, the repair man of the key house across from the office, and opens the door.
The story of a lesbian, Jin-ah, who teaches a film production class at the local community center. During her first class, she meets her former high school teacher Seo-in and gets lost in old memories.
Sun-mi, who is visually impaired, moves out of her house after an argument with her mother. In order to make a living, she starts to work at a cafe run by her close friend from college. And one day, a rather quiet customer pays a visit to the cafe.