In the Underworld, Vampires are a secret clan of modern arstocratic sophisticates whose mortal enemies are the lycans (werewolves), a shrewd gang of street thugs who prowl the city's underbelly. No one knows th origin of their bitter blood feud, but the balance of power between them turns even bloodier when a beutiful young Vampire warrior and newely-turned Lycan with a mysterious past fall in love. Kate Beckinsdale and Scott Speedman star in this modern-day, action-packed tale of ruthless intrigue and forbidden passion all set against the dazzeling backdrop of a timeless, Gothic metropolis.