Asterix and Obelix have been given a tough mission: Transform the chief's lazy nephew Justforkix into a warrior. When the Vikings abduct him and bring him back to their homeland, Asterix and Obelix must travel to Norway to rescue Justforkix.

The story of conquerors and prophets - The series takes place in Celtic Britain of the fifth century. The 13 year old Merlin grows up at the Court of his grandfather, King Ostar. His mother Alviga is the daughter of the King, his father is the son of the Devil, who appears as Rufus in human form.