一个十几岁的女孩沉浸在一个在线角色扮演游戏中。

　欧文（贾斯蒂斯·史密斯 Justice Smith 饰）和麦迪（布里盖特·伦迪·佩恩 Brigette Lundy-Paine 饰）因一档深夜超自然节目而结缘，然而这档节目却神秘地被取消了，在暗淡的电视灯光下，他们对现实的看法开始变得模糊不清。

A documentary about the mythos and real-world effects of the internet legend, Slender Man, consisting of clips from various sources from across the internet.

Good morning, Bear River High School. This documentary is made up entirely of high school morning announcement broadcasts from the 1990s.

There’s an old myth that haunts the seemingly perfect small town of Roosevelt: If you have sex too young, you’ll contract the ‘bug,’ a virus that literally turns you into a ‘monster’ from your worst nightmares. Absurd, right? That’s what Chris always assumed, until, after one reckless night at the beginning of senior year, she finds herself infected. Now she’ll be cast out to the woods to live with the other infected, where a chilling, new threat emerges: a serial killer who’s hunting them one by one.