In Glenview, Ohio, Evan is the manager of the Costco department store and married to Abby. When the Costco night watchman, Antonio Guzman, is mysteriously murdered, Evan organizes The Neighborhood Watch, a watch team with his suburban neighbors Bob, Franklin and Jamarcus to protect the neighborhood and find the killer of Antonio. Soon they discover that the murderer is an alien that is preparing to invade Earth, and they become the last hope of mankind on Earth.

Four student filmmakers set out to explore an abandoned building famous for its connection with the occult, but as their journey becomes littered with strange behavior and unexplained phenomena, it becomes clear the horror they are attempting to document may already be lurking among them.