Year 51 b.C.: After eight years of war, the Caesar triumphs in the war against the Gaul. There are celebrations both for the victory and the return to Rome. Meanwhile, in the capital of the empire, Pompeo, a senator loved by people, loses his wife, the daughter of the Caesar. The Caesar, who has been informed about a plot from the Senate against his downfall, decides to re-enter Rome in full force.

Caesar reenters Rome where he meets his old flame Servilia and restablishes his relationship with the woman. Azia worried by the love story between them, covers all the walls of Rome with sketches of Caesar practicing sex with Servilia. In Rome, fights between Azia and Servilia become more and more deceitful and perverse. Meanwhile Lucio and Tito anticipate Caesar and they comes back to Rome. Tito decides to free the enslaved Odessa.

Caesar re-enters Rome. He reorganizes the Senate and he makes that they proclaim him the Emperor of Rome. Feeling worried about the Senators’ malcontent, he places faithful Lucio at his side, proclaiming him Senator. Tito Pullio finds out that Odessa does not love him and that she has a slave as a lover. Tito kills the man in Lucio's house. Caesar is alone against all the rebellious senators and he falls into a trap, with Brute among his assassins.