Rome, year 12 B.C. Augustus is at the height of his power. Senator Alix is over 50 years old. The peace that reigns in Italy is pure semblance. The Emperor himself has survived an assassination attempt by a madman who claimed to be acting on behalf of... Caesar! Thirty years after his assassination in the Roman Senate, the leader seems to have reappeared in Egypt. Madness, deception or true return, Alix and her children must find out at the end of an odyssey that will take them from the sumptuous palaces of Alexandria to the Mother of the Pyramids.