Underworld : rise of the Lycans

"Two ageless and terrifying races -- the aristocratic vampires and the feral lycans -- are bound by a cruel, ancestral relationship between master and servant, and eternally separated by the ongoing, violent rivalry between their two species. But unknown to both nobility and enslaved alike, a clandestine -- and forbidden -- affair between the lycan servant Lucian and the beautiful vampire noblewoman Sonja burns brightly with an unbridled passion"...