| Director | Gong Su-chang |
|---|---|
| Genre | horror film |
| Runtime | 121 min |
| Country | South Korea |
| Box office | $6.4 million |
Sergeant Major Seong-gyu Noh, along with a friend in the army, are paying their last respects to Noh's wife. Later, in their car, Noh's friend informs him of an assignment that the military has ordered him to do: head to Guard Post 506 in the Korean DMZ to investigate a strange incident there. At 21:07, Noh arrives at GP 506 about an hour later.