Selene (Kate Beckinsale) is a "Death Dealer"—an elite vampire assassin dedicated to hunting down Lycans. When she discovers that the werewolves are hunting a seemingly normal human doctor named Michael Corvin, she uncovers a conspiracy that challenges everything she knows about the war.

As she goes rogue to protect him, Selene uncovers a web of ancient betrayals: The Conspiracy:

In 2003, the vampire horror film "Underworld" took the world by storm, captivating audiences with its unique blend of action, romance, and supernatural drama. Directed by Len Wiseman, the film starred Kate Beckinsale as Selene, a vampire warrior, and Scott Speedman as Michael Corvin, a human who becomes embroiled in a centuries-old conflict between vampires and werewolves. The movie's success can be attributed to its well-crafted storyline, impressive visual effects, and the chemistry between its leads.

The film reimagines the classic rivalry through "science" (e.g., silver nitrate bullets for Lycans, UV ammunition for Vampires) rather than just magic.

However, I’d be happy to help with a about the 2003 film Underworld itself, including: