A group of cold case investigators stay at the Carmichael Manor, site of the grisly and unsolved murders of the Carmichael family back in the eighties. After four nights, the group was never heard from again. What is discovered on their footage is even more disturbing than anything found on the Hell House tapes.

After a near-death experience, Vanessa Shepherd faces nightmares in Abaddon. As mysterious deaths occur around her, she discovers her connection to the Abaddon Hotel, Carmichael Manor, and decades of unexplained murders.

A detective, despondent after the murder of his wife and forced to resign, is brought back to the force when a serial killer appears to be taunting him and turns out to be superhuman.

After a tragic accident, a teenage girl is resurrected with the use of black magic. She uses her new-found powers to exact vengeance on her tormentors.