The prequel story traces the origins of the centuries-old blood feud between the aristocratic vampires and their onetime slaves, the Lycans. In the Dark Ages, a young Lycan named Lucian emerges as a powerful leader who rallies the werewolves to rise up against Viktor (Bill Nighy), the cruel vampire king who has enslaved them. Lucian is joined by his secret lover, Sonja (Rhona Mitra), in his battle against the Death Dealer army and his struggle for Lycan freedom.Special Features Director's Commentary, From Script To Screen, The Origin Of The Feud, Re-creating The Dark Ages, The Look Of Underworld And Music Video Deathclub