With Caesar advancing on Rome, Pompey orders a retreat and forces his citizens to pick sides; Timon carries out Atia's dirty work; Vorenus goes on a scouting mission and cannot understand why no one resists.
Niobe struggles to keep her terrible secret from Vorenus, little knowing that Pullo has decided to take matters into his own hands; Caesar offers a humiliated Pompey a truce, but their bloody conflict is far from over.
As the balance of power unexpectedly swings towards Pompey, Mark Antony must make a life or death decision whether to remain loyal to Caesar; Vorenus struggles to rescue his relationship with Niobe before he follows Caesar into war.
Caesar makes a triumphant return to Rome; a beleaguered Pompey sends his son back to the city to track down the missing treasury gold; Vorenus's attempts to start a new life go disastrously wrong.
The poisonous feud between Atia and Servilia finally erupts with devastating consequences; Caesar has a life-changing proposition for Vorenus.