A vampire fights a war against werewolves that has raged for centuries, with the human race oblivious to the conflict. She falls in love with a mortal man who has wandered unwittingly into the midst of a conflict, and must protect him from both the enemy, who have plans for him, and her own side. Supernatural action thriller, starring Kate Beckinsale, Scott Speedman, Michael Sheen and Bill Nighy.

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.