Hayoung, a successful dog trainer, is visited by her sister, Sora, who has a criminal record for murder. As Sora's bizarre behavior unsettles the training center and Hayoung's daily routine, buried truths and repressed desires start to rise to the surface.
| Actor | Role |
|---|---|
 Choi Seung-yoonHayoung | Hayoung |
 Kim Seung-hwaSora | Sora |
 Oh Jung-hwanYunho | Yunho |
 Joo Ye-rinMingyeong | Mingyeong |
| KKim Dha-solSeungjae | Seungjae |