Nisser plot
Hoping to reconnect over Christmas, a teenager travels with her family to a remote Danish island. The island is governed by a strict religious community. In addition to this community, elves also live on the island. These reside in the forests and turn out to be ferocious creatures that the locals are terrified of. When the family finds and takes home a baby elf, their vacation turns into a nightmare and the family finds themselves in a life-or-death struggle.