While the civil war is raging, Alix and Enak go with Octave, the nephew of Caesar, to get his sister Lydia at Tarquini. Then, they discover a city harassed by the molochites. Wanting to restore the etruscan monarchy, the latter sacrify human beings for ancient bloodthirsty gods. Betrayed by Brutus, our friends get ambushed and Lydia is kidnapped.
Olympe. Alix, Enak and Heraklion are waiting for General Horatius, who is responsible for the death of Queen. They will find the General in a sanctuary, where strange men-horses follow them. Heraklion is kidnapped and Horatius'daughter-in-law wants to exchange The Troyes' Horse against the young boy.