Carlos, an ageing teen idol, attends a wild house party filled with alcohol, drugs and sex. Nursing a hangover the next morning, he quickly realizes he is not alone in the strange house, and he may never be able to leave.
James and Amy are a common couple who live at 388 Arletta Avenue. Out of the blue, a mysterious stalker sneaks in their home and bugs it with microphones and cameras positioned in order to cover the whole house. When Amy vanishes and leaves a handwritten letter to James, he suspects that someone has broken in his home. He calls the police, but the police officer does not give credit to him. Weird things happen in the house and James becomes paranoid without realizing that his movements are seen by the stalker. His obsession to discover what might have happened to Amy leads the family to a tragic end.
Jill's an artist. Adam's a filmmaker. And their love life is off the chain. There's no experience too wild, no dare too dangerous -- not even when Jill lets Adam strap her to a gurney in the abandoned hospital they're scoping out for their next art show. But he shouldn't have left her alone. Not even as a joke. Now, Jill's hookup with horror has awakened something in that place. Something with a lust for more than flesh.
Paleontologist Kate Lloyd is invited by Dr. Sandor Halvorson to join his team who have found something extraordinary. Deep below the Arctic ice, they have found an alien spacecraft that has been there for perhaps 100,000 years. Not far from where the craft landed, they find the remains of the occupant. It's cut out of the ice and taken back to their camp but as the ice melts, the creature reanimates and not only begins to attack them but manages to infect them, with team members devolving into the alien creature.
In 1971, Carolyn and Roger Perron move their family into a dilapidated Rhode Island farm house and soon strange things start happening around it with escalating nightmarish terror. In desperation, Carolyn contacts the noted paranormal investigators, Ed and Lorraine Warren, to examine the house. What the Warrens discover is a whole area steeped in a satanic haunting that is now targeting the Perron family wherever they go. To stop this evil, the Warrens will have to call upon all their skills and spiritual strength to defeat this spectral menace at its source that threatens to destroy everyone involved.
In a small Maryland town, the suicide of an outcast teenager triggers a string of violent suicides. These suicides seem to stem from a curse which spreads when any person, who witnesses the suicide, is possessed by an evil force that appears as the person's doppelganger that only they can see. A young teenager, named Lindsey, thinks there is a connection of the events to Aidan, the outcast brother of the first suicide case. But Lindsay must race against the clock when she witnesses her mother fall victim, and must try to find a way to stop the curse before it kills her too.