Underworld: Evolution (2006) continues the vampire–werewolf war, with Selene and Michael uncovering the origins of the Lycans and vampires. Packed with dark fantasy, vampire action, and Gothic horror, the film expands the mythology with bloodlines, ancient secrets, and nonstop battles.

Från IMDB:
Picking up directly from the previous movie, vampire warrior Selene and the half werewolf Michael hunt for clues to reveal the history of their races and the war between them.