
The Dalton brothers are to receive their dead uncle's fortune if they eliminate the judge and jury responsible for his execution. And to accomplish this task, they must enlist the help of Lucky Luke.

Asterix and Obelix depart on an adventure to complete twelve impossible tasks to prove to Caesar that they are as strong as the Gods. You'll roar with laughter as they outwit, outrun, and generally outrage the very people who are trying to prove them "only human".

Julius Caesar plans on kidnapping Getafix but Asterix and Obelix save him. Whilst attempting to scatter the attackers, Obelix accidentally strikes Getafix with a menhir, the impact of which causes amnesia and forgets the recipe of the magic potion.