Jeong-ha is curious about the relationship between her coworkers Hyeong-won and Su-jin. They once seemed like a couple, so why do they seem to resent each other now? Their true feelings remain a mystery, and Jeong-ha can't stop thinking about them. Then, one day, Su-jin reaches out to her.
| Actor | Role |
|---|---|
| KKim Ji-onJeong-ha | Jeong-ha |
 Seol Jun-suHyeong-won | Hyeong-won |
 Park Seo-eunSu-jin | Su-jin |