4 Horror Tales: Hidden Floor
Movie| Title | 어느날 갑자기 두번째 이야기: 네번째 층 |
| User score | 5.8 |
| Release date | Jul 27, 2006 |
| Genre | Horror |
| Director | Kwon Ho-young |
| Production country | South Korea |
| Production companies | CJ Entertainment |
| Run time | 100 min. |
A woman moves into an apartment house with her daughter. But her daughter begins to be haunted by a mysterious ghost on a hidden floor.
