Audacious young Gaul Alafolix falls head over heels in love with Greek Princesse Irina. With the help of Asterix, Obelix and their druid's magic potion, he travels to Greece to win the Olympic Games and Irina's heart. There, he finds himself himself in competition with Cesar's treacherous son Brutus, who is feverishly plotting his father's downfall. As everybody knowns, magic potions are banned at the Olympics. Luckily, Asterix has a plan...