While a South Korean man wanders the city in search of the woman he just broke up with, she successively meets and flirts with two men who claim to have met her before.
| Actor | Role |
|---|---|
 Kim Joo-hyukKim Youngsoo | Kim Youngsoo |
 Lee You-youngSo Minjung | So Minjung |
 Kim Eui-sungKim Joonghaeng | Kim Joonghaeng |
 Kwon Hae-hyoPark Jaeyoung | Park Jaeyoung |
 Yu Jun-sangLee Sangwon | Lee Sangwon |
 Bek Hyun-jinJinyoung | Jinyoung |
| GGong Yoon-youngSeongju | Seongju |
| CCho WoongJangwan | Jangwan |
| SSeo Hyun-jungJuhyun | Juhyun |
| JJang Ja-youngJungwoo | Jungwoo |
 Gong Min-jeungSoyeon | Soyeon |
| LLee GonCafe owner | Cafe owner |
| KKim Sun-yiLodging owner | Lodging owner |