As Attila (Gerard Butler) matures into a man, he becomes a fearsome warrior. In time, he unites the various clans of Hun fighters and leads them. The legend of Attila grows so strong, and his forces are so fierce that it causes the Roman Empire to deal with him. A, Roman general, Flavius Aetius (Powers Boothe), decides the best way for Rome to handle Attila is to form a partnership with him. Although Attila admires Aetius, there is still a struggle for power between the two men.