When one of them breaks a leg, five friends snowboarding in the Norwegian mountains take shelter in an abandoned ski lodge and soon realize they’re not alone.
After surviving the events in the Jotunheimen mountains in which four of her friends were murdered, the badly injured Jannicke is brought to the local hospital. But when she wakes up, the building is dark and deserted... and she soon realizes that her nightmare isn’t over yet.
Marianne visits her dying father in the hospital who tells of a box of old letters that she must promise to destroy. Marianne chooses to do the opposite, and reads them instead. There she finds shocking accusations against her father, who allegedly murdered a young woman 25 years ago.
