One little ancient British village still holds out against the Roman invaders. Asterix and Obelix are invited to help. They must face fog, rain, warm beer and boiled boar with mint sauce, but they soon have Governor Encyclopaedius Britannicus's Romans declining and falling. Until a wild race for a barrel of magic potion lands them in the drink.

Jean-Arthur has been working as a clerk in a travel agency. One day, he, along with his colleague comes to a brilliant idea: what if I offer tourists real extreme recreation? So the group of tourists land on a deserted island with no food, no shelter, nothing.