《邪恶力量》的前传剧集《温彻斯特家族》，聚焦温彻斯特兄弟迪恩和山姆的父母约翰和玛丽。　　从迪恩的角度讲述一段史诗般、未曾描绘过的爱情故事，约翰是如何遇到玛丽、他们是如何不惜一切拯救他们的爱情也拯救整个世界。

A filmmaker discovers a box of video tapes depicting two students' disturbing film project featuring a local horror legend, The Peeping Tom. As he sets out to prove this story is real and release it as a work of his own, he loses himself and the film crew following him into his project.