A young woman suspects her new boyfriend of infidelity and discovers that he actually has two other girlfriends. She meets the other women and the three of them become best friends.
| Actor | Role |
|---|---|
 Kang Hye-jungSong-yi | Song-yi |
 Han Chae-youngJin | Jin |
 Huh Yi-jaeBo-ra | Bo-ra |
 Bae Soo-binJin-ho | Jin-ho |
 Cho Eun-jiHyun-joo | Hyun-joo |
 Sandara ParkNot listed | Not listed |
 Park BomNot listed | Not listed |
 Park Sung-woongNot listed | Not listed |
 Kim Hye-okMother | Mother |
| JJeong In-hwaTeam Leader Jeong | Team Leader Jeong |
| KKim Kyeong-cheonBouncer | Bouncer |