The druid Getafix nimbly clambers up and down oak trees to gather mistletoe in the forests surrounding the Village of the Indomitable Gauls. But one day the expert climber has a bad fall. And that gets him worrying! What on earth would happen if he was incapacitated and couldn₂t brew up his magic concoctions? With Asterix and Obelix by his side, he sets off to scour Gaul for a talented druid to pass on the secret of the Magic Potion.