William Friedkin attends an exorcism with Father Gabriele Amorth, as he treats an Italian woman named Cristina for the ninth time. Prior to filming, Cristina had purportedly been experiencing behavioural changes and “fits” that could not be explained by psychiatry, and which became worse during Christian holidays.

Jon Porter comes home for a funeral and walks straight back into hell. The demons who butchered his sister are back, nastier than ever, and now they want his daughter, body and soul.

After an old witch desecrates a church and abducts a baby, the police take her in for questioning, leading her to attempt suicide. To exact revenge, a fellow witch curses the police commissioner's daughter, and as the old witch dies, her spirit latches onto the young girl and causes her to wreak havoc.

In ancient China, a demon was defeated in a fierce battle with a priest, who sealed it's evil spirit in a vase. Centuries later, during the cultural revolution, rebels attempted to gain possession of the vessel from the priest's descendant; however, he threw it into the ocean to keep it from being tampered. The vase was recovered years later in Hong Kong and was auctioned off to a councilman. The demon, unfortunately, escaped and took control of the councilman's body, beginning a spree of terror in the city.

An overwhelmed father and his demon-hunting teenage daughter try to find the balance between combating evil and doing chores. When Taffy is given a divine mission from God, she has to make a choice between following her heart, or accepting her destiny.

Father Gabriel's team were slaughtered l by Pazuzu and its demons, the village is cursed, and Gabriel himself captured in the underworld. Lucrezia, the strongest of the black witches, is on her way to Rome to destroy the Vatican.

John Constantine has literally been to Hell and back. When he teams up with a policewoman to solve the mysterious suicide of her twin sister, their investigation takes them through the world of demons and angels that exists beneath the landscape of contemporary Los Angeles.

Anne inherits a family demon after her mother's death. Now inside Anne, it grows stronger. Desperate, she attempts self-exorcism in a motel room, fighting to save herself and her son from becoming the demon's next victim.

When a younger girl called Emily Rose dies, everyone puts blame on the exorcism which was performed on her by Father Moore prior to her death. The priest is arrested on suspicion of murder. The trial begins with lawyer Erin Bruner representing Moore, but it is not going to be easy, as no one wants to believe what Father Moore says is true.

A priest with a dark past and a novice nearing her final vows are sent by the Vatican to Romania to investigate a nun's death and face a demonic force.

Bizarre nightmares plague Regan MacNeil four years after her possession and exorcism. Has the demon returned? And if so, can the combined faith and knowledge of a Vatican investigator and a research specialist free her from its grasp?

On the fifteenth anniversary of the exorcism that claimed Father Damien Karras' life, Police Lieutenant Kinderman's world is once again shattered when a boy is found decapitated and savagely crucified.