The film is set in 2004. Harry Hole is an experienced detective working in one of the districts of the Norwegian city of Oslo. Not so long ago a whole series of murders committed by the same criminal occurred here. Harry collected a lot of evidence, but still could not come close to solving this case. After each crime, a maniac sculpted a snowman and left him at the scene of the murder. To help Harry, the authorities sent one of the best recruits, ready to immediately plunge into the detective case. Will companions be able to find the killer before snow reappears on the streets of Oslo? Will they be able to prevent the emergence of new victims?