Young Pietari lives with his reindeer-herding father in arctic Finland. On the eve of Christmas, a nearby excavation makes a frightening discovery and an evil Santa Claus is unleashed…

A dysfunctional family awake on Christmas morning to discover they’re sealed inside their house by a mysterious black substance. On television, a single line of text reads: “Stay Indoors and Await Further Instructions.”

Billy Chapman, who was traumatized by his parents' Christmas Eve murder, then brutalized by sadistic orphanage nuns, grows up to dress as jolly St. Nick for a yuletide rampage to punish the naughty.

When a team of mercenaries breaks into a wealthy family compound on Christmas Eve, taking everyone inside hostage, the team isn’t prepared for a surprise combatant: Santa Claus is on the grounds, and he’s about to show why this Nick is no saint.

In the twelve days leading up to Christmas, the residents of the snowy and isolated town of Woodridge are being murdered in a variety of gruesome ways by a psychotic Santa and Mrs. Claus. While the small-town cops scramble to protect the townsfolk, the killings seem to center around one young woman who may be the final victim on Santa's list. As the slaughter continues and the bodies pile up, it seems that nothing and no one may be able to stop the murderers before they complete their own deadly take on the twelve days of Christmas.

Eva, an ex-dancer, is now living in a wheelchair, unable to walk. When her friend Sophie gives her an old wooden antique advent calendar before Christmas, she realizes each window contains a surprise that triggers repercussions in real life: some of them good, but most of them bad... Now Eva will have to choose between getting rid of the calendar or walking again… even if it causes death around her.

The weather outside is frightful.

After a winter storm strands five friends in a remote cabin with no power and little food, disorientation slowly claims their sanity as each of them succumbs to a fear that the snow itself may be contaminated or somehow evil.