Spartacus has to find new meaning after his world is changed by the death of his wife and finds it in the arena. In the absence of Barca, Pietros struggles without a protector in the ludus and the attentions of Gnaeus. Varro is visited by his wife and receives unwelcome news. Spartacus faces the truth about those left behind by warriors when they leave through speaking with Pietros. After a tragedy occurs, Spartacus faces off with Gnaeus and earns Batiatus's displeasure. Doctore seeks the truth behind Barca's departure from the ludus.