劇情:

夜光（柳德焕饰）是一名网络灵异怪谈节目的主持人。正当他与朴制作人（赵福来饰）讨论并策划如何让接下来的节目内容更独特及惊悚时，他们却发现了一段神秘影片。影片内容是关于一名高中少女朴善英（李秀彬饰）失踪前在图书馆内玩的一个人的捉迷藏，于是二人决定潜入这所神秘的图书馆...

Ya-gwang (Ryu Deok-hwan) is a broadcasting jockey who runs a horror podcast on Afreeca TV together with producer Park (Jo Bok-rae). In order to produce an absolutely legendary and terrifying episode, the two start searching for more dangerous and stimulating materials, and they receive a video clip of a high school girl Park Sun-young (Lee Soo-bin) who gone missing during a game of one-man tag.