Lucretia and Batiatus anticipate the arrival of Glaber, the husband of Ilithyia; Spartacus, after slaying Solonius in the arena, plans revenge against Batiatus. Spartacus is warned by Mira that if he goes through with the murder of Batiatus, he is risking not only his life, but the life of all slaves due to the Roman laws. When Glaber visits, Spartacus is ordered to fight against his soldiers as a demonstration of his skill. The relationship between Crixus and Naevia is revealed to Lucretia, who is now pregnant and whose relationship with Crixus is made known by Batiatus. The mystery behind Barca's death is finally revealed to Doctore by Naevia.
