In the year 50 BC, Gaul is occupied by the Romans – nearly. But the small village of Asterix and his friends still resists the Roman legions with the aid of their druid’s magic potion, which gives superhuman strength. Learning of this potion, a Roman centurion kidnaps the druid to get the secret formula out of him.

While Louis XV is dying, the Dauphine of France, Marie-Antoinette, seduces a Swedish officer, Axel de Fersen, which pains her husband, the new King Louis XVI, who will know how to be generous when he learns of this deception.