Overview: Mehmed II solidifies his reign, but in nearby Wallachia, childhood friend Vlad the Impaler gains notoriety and seeks to challenge Mehmed's hegemony.
Overview: Mehmed sends Maria to coax Hungarian King Matthias Corvinus into an alliance. An epic battle along the Danube River looms, and Vlad has the upper hand.
Overview: Mehmed's troops advance into Wallachia, and Vlad employs guerrilla tactics to weaken his rival. A threat lurks in the imperial palace.
Overview: 4. Brothers No More As the war drags on and resources dwindle, Vlad wages biological warfare on Mehmed's army. Radu closes in on Vlad's castle to take Anastasia hostage.
Overview: Mehmed prepares to strike a fatal blow to Vlad's army. A spy is found in Mehmed's camp. Vlad launches a nighttime attack, but a surprise awaits.
Overview: Vlad and Mehmed face off. Maria and Gülbahar foil the Wallachian plot. Ottoman troops march into an abandoned Târgoviște and face a gruesome sight.