On a pouring‑rain night, four young friends break the rule and play a forbidden spirit‑summoning game inside an old shabby apartment.
What was meant to be a silly prank quickly turns into an inescapable nightmare.
Weird creaks echo out of nowhere, a shadowy figure haunts the window, and terrible omens keep coming true one after another.
A merciless 33‑day countdown has started for them.
The male lead and his companions are trapped. Every night brings new terror. They must dig up the long‑buried horrifying secret of this apartment, before the last second runs out‑‑or none of them will survive.