Terror hits home in this harrowing psychological thriller that will chill you to the bone. Recently widowed child psychologist Mary Portman lives an isolated existence caring for her bedridden stepson in rural New England. But when a young boy Mary is treating goes missing in a snowstorm and is presumed dead, she becomes convinced that his ghost is haunting her, and soon Mary's grip on reality turns as slippery as her icy surroundings.

In the aftermath of a personal tragedy, Harper retreats alone to the beautiful English countryside, hoping to find a place to heal. However, someone or something from the surrounding woods appears to be stalking her. What begins as simmering dread soon becomes a fully formed nightmare, inhabited by her darkest memories and fears.

Lonely widow Joyce rents out a room to make easy money. She meets mysterious drifter Bob and takes him in as a long-term tenant. She becomes obsessed with her much younger guest, making him the object of her deepest romantic fantasies. When a friend's betrayal derails Joyce's fantasy world, she seizes control of her own destiny with a deadly mission to finally get what she deserves.

The now widowed Ellen Brody finds herself reliving the horrors of the past when a mammoth shark kills her son. Grief-stricken, she travels to the Bahamas to be with her other son, a marine biologist, and his family. There she meets and falls for a carefree airplane pilot. Just as she is starting to put her life back together, the nightmare of the past returns when her granddaughter is attacked by an all-too-familiar great white shark.

The first World War rages on when a group of American soldiers find a mysterious artifact that can summon the ancient evil of the Krampus. After the men are killed in action, the artifact is sent to the commanding officers widow who is a teacher at a small-town orphanage. The orphans accidentally summon the Krampus and the teacher, and her pupils are forced to battle this ancient evil.