The House of Batiatus is caught in the power struggle between the younger and elder Batiatus. Lucretia reluctantly agrees to her husband’s risky plan. Gannicus finds himself on unstable ground.

Spartacus and his rebels train hard to keep their new sanctuary safe while Glaber's forces are made stronger with the enlistment of some new deadly recruits. Lucretia and Ilithyia become close again.