Five students, who ended up spending the night at school for certain reasons, opened the door to a cursed classroom. From that moment, they began to see, hear, and feel strange and mysterious things. A series of bizarre events followed one after another, and even though they managed to unravel the mystery in the end, it becomes clear that the horrifying events are far from over. Will they survive the night?

The mysterious death of a girl who committed suicide... The intricate issues surrounding it... The reasons that led to her death...

The Cloud Girl opens a forbidden door against her grandmother's warning, setting the stage for mysterious and terrifying events.