The Soot family gathers in a hotel where a rich uncle is going to make them his heirs if they can stay until Christmas Eve. Then the murders start.

The celebration starts, but turns into an argument when a couch must be moved. Svein investigates the murder, with unexpected competition from Nanna.

Svein and Nanna together investigate all the suspects. Toffen tries to take other family members’ inheritance, while Siri starts to dislike Lykke.

Chris tries to lighten the mood, while Svein and Nanna suspect that he’s the killer. Aunt Babben is an important witness in the fourth murder.

Jack struggles to dole out chores for the lutefisk party. The murderer is behind bars, but Svein starts to doubt that he has the real perpetrator.

The tree must be cut down for the Christmas party. Nanna found a camera at a murder scene, and the investigators get to see the murderer at work.