Asterix and the Vikings

The vikings come to Gaul and kidnap the chief's nephew. The chief sends Asterix and Obelix up north to get him back but the nephew has fallen in love with the viking chief's daughter v.v. What to do?
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.