Today is the School Olympics! Malika wants our heroes to arrive at the stadium early. They meet Chloros, a frail looking demigod who has to prove to his father, Zeus, that he is a great athlete, in order to be admitted to Mount Olympus. Nate and Malika have an idea: they will compete against Chloros, and they'll let him win. But when Zeus finds out they deceived him, he unleashes his wrath on our heroes...

Oscar et Malika arrivent en avance au stade, pour les Olympiades de l’école. C’est là qu’ils rencontrent Chloros, un demi-dieu chétif qui doit prouver à son père, Zeus, qu’il est un grand athlète. Malika a une idée : ils vont s’affronter tous les deux, et elle le laissera gagner ! Mais quand Zeus découvre la tricherie, c’est sur Oscar et Malika qu’il déchaîne sa colère…