Hyunjin, a test taker, moves into an old apartment. There are strange sounds from next door where a strange boy named Hyunggu lives. One day, Hyunggu and his mother are cruelly murdered.
Park Ji-soo | Hyunjin |
Lee Bit-na | Joohee |
Jang So-yeon | Action officer Park |
Jo Kyung-sook | Joohee's Mother |
Hong Wan-pyo | Kyungsu |
Yeon Song-ha | Mi-kyung |