A prequel to the first two Underworld films, this fantasy explains the origins of the feud between the Vampires and the Lycans. Aided by his secret love, Sonja, courageous Lucian leads the Lycans in battle against brutal Vampire king Viktor. Determined to break the king's enslavement of his people, Lucian faces off against the Death Dealer army in a bid for Lycan independence.

Vampires and werewolves have waged a nocturnal war against each other for centuries. But all bets are off when a female vampire warrior named Selene, who's famous for her strength and werewolf-hunting prowess, becomes smitten with a peace-loving male werewolf, Michael, who wants to end the war.