The 2010 horror film *Insidious*, directed by James Wan and written by Leigh Whannell, centers around a haunting that follows a family regardless of location. Rather than a haunted house, the film’s premise explores the idea of evil pursuing individuals wherever they go. What sets *Insidious* apart is its utilization of the controversial concept of astral projection, or out-of-body travel, as a key plot device. This unique element contributed to the film’s success and the creators’ financial gains. The film taps into a common horror trope—the haunted dwelling—but subverts it by shifting the focus from place to person. This approach provided a fresh take on the genre, resonating with audiences and establishing *Insidious* as a notable entry in contemporary horror.