After they lost their parents in a traffic accident, strange events begin to happen to Yeonhui and Yeonsu.
| Actor | Role |
|---|---|
 Park Soo-inYeon-hee | Yeon-hee |
 Lee Eon-jeongYeon-soo | Yeon-soo |
 Choi Ri-hoGhost | Ghost |
| JJaeseung KimNot listed | Not listed |
 Yoon Chae-yeongSeon-mi | Seon-mi |