The team investigates a Texas hospital where a powerful poltergeist said to travel between the abandoned building and a nearby neighborhood. Tim employs a dangerous experiment to trap the dark entity on the grounds permanently.

The team is called to San Antonio, Texas, to confront a dark energy that has attached itself to a historic mansion. Their attempt to make contact with a strange doll found on the property results in a spine-chilling EVP.

The team assembles in Cleveland, Ohio, to investigate demon hunter Tim Wood's erratic behavior. An all-out battle for Tim's soul leads them into the heart of darkness to confront the demon known as Zozo.