The story of an ordinary woman with dream walking ability to control other people's dreams against the backdrop of a noisy city in a serial murder case and a serial killer who can control other people's dreams.
| Actor | Role |
|---|---|
 Seo Hyo-rimHong-hwa | Hong-hwa |
 Oh Ji-hoJae-in | Jae-in |
 Kim Seung-suSang-joon | Sang-joon |
 Lee Seol-guDetective Yang | Detective Yang |
 Yoon Chae-kyungSeo Yoon-kyung | Seo Yoon-kyung |
 No Ji-yooJi-eun | Ji-eun |
 Bang Eun-heeNot listed | Not listed |