Spartacus realizes that becoming the leader of a mass of freed slaves can be challenging and he struggles to keep the rebellious group intact when news of Claudius Glaber's arrival in Capua reaches him.
Spartacus is forced to mediate when the gladiators are close to divide into groups after news of Naevia's fate reaches them. Lucretia exchanges a long-held secret for some information and an attack puts the rebels at risk.
In an ironic twist of fate, a gladiator from the house of Batiatus will stand in the way of Spartacus trying to free Crixus from Roman captivity. Ilithyia's scheming puts her marriage to Glaber at risk.