During a deadly snowstorm, a train from Stockholm to Narvik collides with an avalanche, and the passengers are forced to take shelter in an isolated hotel. Among them is the sharp but suspended murder investigator Hanne Wilhelmsen (Ida Engvoll). At the hotel, two mysterious murders take place. Together with the Norwegian doctor Magnus (Pål Sverre Hagen), Hanne tries to find out what has happened.
