Idiot Girls and School Ghost: School anniversary

Ji-yeon, a high school senior who dreams of becoming a film director, discovers an old videotape in her school’s broadcasting club. The tape reveals a strange rumor: if students survive a ghostly hide-and-seek game on the night of the school’s anniversary, they will receive perfect scores on the college entrance exam. Curious and desperate, Ji-yeon and her friends decide to play the cursed game themselves.