看点：三个女孩勇敢地潜入废弃校舍，却不料卷入了一段惊悚的探险之旅。 在一场打赌中输掉，朴贞元、云贞和另外一个女孩被迫进入一所传说中闹鬼的废弃校舍，他们悬着的心不由自主地加速跳动。在这个阴森恐怖的环境中，她们不禁产生了许多怪异的念头，不断制造出吓人的笑话以掩饰内心的恐惧。 然而，女孩们的喧闹声引来了这所校舍中一位曾经死在这里的女孩的怨灵。怨灵似乎存心要将这三个胆小的冒险者困在这里，并对她们施以恐怖的力量。面对怨灵的威胁，她们陷入了拼尽全力逃脱的绝境，同时也不断揭开了这所校舍背后的恐怖秘密。 Surviving in a deserted school building believed to be haunted, Park Jung-won, Yun Jung, and another girl are trapped after losing a bet with their classmates. The girls, filled with fear and unease, find themselves caught in a series of spine-chilling encounters, often scaring themselves unintentionally. Little did they know that their commotion had stirred the vengeful spirit of a deceased girl who perished within these walls. Determined to torment these reckless intruders, the vengeful spirit uses terrifying tactics to keep them trapped inside. As they battle against the supernatural forces that surround them, the girls find themselves on a desperate quest to escape and unravel the horrifying secrets of the school building. Will they be able to conquer their fears and break free from the clutches of the vengeful spirit? Or will they become trapped forever in this haunted nightmare?