A Haunting: Season 3

A single father and his three children move into an old house in Missouri and quickly move back out. Later, he warns the house's new occupants of the paranormal terror that awaits them.

A single mother moves into a new house in Michigan with her three-year-old son and learns she has the ghost of a drug addict in the basement and a malevolent spirit in the attic.

A haunted house sends a man's girlfriend into a deep depression and his female friend into a terrible sorrow before he finally calls in a team of paranormal investigators to find out what is going on.

A mailman dabbles in the occult and unleashes demons that torment him and his family. A white witch attempting to help only makes things worse.

An ordinary, working-class family in Ireland finds that the government-subsidized home in which they have spent many happy years is suddenly haunted.

In Salt Lake City, Utah, a family moves into an old Victorian house with a mysteriously sealed-off room in the attic. When they expose it to the light, they unsettle an evil ghost.

The employees of a pub in North East England battle a cruel spirit who once murdered a little girl and still has her ghost under his evil power.

When innocent people are attacked by entities from the supernatural realm, they rely on paranormal investigators to protect them from the unknown. These investigators rely on their studies, their personal experiences and, in many cases, their piety, as they assume the risk of becoming haunted themselves. Mary Vogel has been a spiritual counselor for ten years, but a recent encounter with the demonic forces her to question everything she knows and trusts. Violent nightmares invade her mind by day and unseen entities attack her body by night. In the church, which was once a place of peace and comfort, feelings of revulsion overwhelm her. Deep in her own mind, a diabolical voice taunts her: "Your God can't help you now" John Zaffis, one of the world's leading paranormal experts and Mary's mentor, quickly realizes what is happening to her. The protector has become the possessed, and only an exorcism can save her soul.

The strength of the diabolical lies in the power of deception. In subtle ways, it destroys the bonds of friendship and family, distorts the beliefs of the faithful, and takes possession of the living. Sarah Miller perceives that something supernatural lurks inside her new home, terrorizing her children, and causing her to doubt her own senses. Her fiancé's skeptical response provokes frustration, putting the entire house on-edge, as a sinister presence struggles to take control of the family. Sarah seeks help from a lay religious demonologist, who recognizes the symptoms of a diabolical infestation, and prepares an ancient ritual to expel the evil, before it destroys the family from within.

Bobby and Addie Wilcott have a strained marriage that they hope will improve when they buy an historic house in New England. Their marriage is further tested when doors refuse to stay closed and the piano repeatedly plays by itself. The couple tries their best to ignore the strange occurrences until their 5-year-old son is attacked by an unseen entity. Paranormal experts Ed and Lorraine Warren, famous for their work on the real-life Amityville horror house, discover that the couple has a much bigger problem - a demonic presence that is feeding on the discord in Bobby and Addie's relationship. Their only hope... is an exorcism