Christmas Blood is a thriller-slasher about a feared serial killer, called Nissen, who has struck Norway's countryside every Christmas Eve for over 13 years. Investigators Rasch and Hansen are trying to solve the riddle before he returns. This time it appears that it is northern Norway that will face Nissen's bloodbath.

A billionaire invites a failed writer, a misogynistic psychiatrist, a cocaine-sniffing children's TV star, and a psychotic journalist to a haunted cabin for Easter. A thrilling detective game turns deadly when one is found beheaded. Trapped by a snowstorm, they are forced expose the murderer among them, before it is too late. Based on Knut Nærums bestseller.

The film is about a Norwegian music student, Lenn. He is 21 years old and the last pieces of the puzzle of his upbringing is taking a bit longer than it should. He is struggling with the economy, lies on instinct and has ambitions at the height of Napoleon. Lenn is trying to juggle all of this to keep up an image. But it doesn't take long before there are too many balls in the air.