As the wars in Gaul come to an end, Caesar is faced with both triumph and tribulation. In Rome, Pompey must balance honour and politics as he's urged to carry out an act of betrayal. Atia of the Julii tries to steer her family between the growing divisions of power.
Her treachery exposed by Duro, Servilia finds herself at the mercy of Timon. Having defeated Mark Anthony in a bloody battle, Octavian sends word he's returning to Rome. Encamped with an army of mercenaries in western Turkey, Brutus and Cassius have plans of their own.
Anointed People's Tribune by Caesar, Mark Antony returns to Rome with Octavian's liberators, Vorenus and Pullo. After the Senate rebuffs Caesar's compromise for a heroic return to Rome, Antony learns that Pompey has drafted an ultimatum stripping the general of his powe
In the wake of Caesar's murder, a cauldron of contrary emotions bubble across Rome. Octavian devises a plan to keep his family from fleeing. Vorenus mourns Niobe's death but curses her son Lucius. Pullo and Eirene get married, not knowing what's happened back in Rome.
Brutus and Cassius see their military advantage vanish in the wake of Octavian's new alliance with Mark Antony. In Rome, Vorenus receives orders to prune the ranks of Rome's elite. With the future of Rome at stake, the two armies clash on the plains of Philippi.