Deborah Logan, a woman battling Alzheimer's, allows a film crew to document her condition. As the days of filming progress, the crew notes strange behaviors and occurrences happening around Deborah inconsistent with Alzheimer's, things that are dark and ominous. Whatever it is that's within her is clearly trying to get out and it threatens to consume anyone who tries to stop it.

A quiet loner finds himself stranded in a remote town when his car breaks down. Unable to pay for the repairs he needs, he agrees to spend the night cleaning Willy's Wonderland, an abandoned family fun center. But this wonderland has a dark secret that the 'The Janitor' is about to discover. He soon finds himself trapped inside Willy's and locked in an epic battle with the possessed animatronic mascots that roam the halls. To survive, he must fight...