Asterix and Obelix have been given a tough mission: transform the chief's lazy son Justforkix into a warrior. Meanwhile, a group of fearless Viking Warriors travels to Asterix's village in a quest to discover the meaning of fear, as they had heard that fear gives you wings. Unfortunately, it just so happens that the Gaulish Village fear only one thing, that the sky may fall on their heads, and the Vikings are out of luck. That is until they encounter Vitalstatistix's cowardly young nephew, Justforkix....The Vikings abduct him and bring him back to their homeland. Asterix and Obelix must then travel to Norway to rescue Justforkix.