Kate Beckinsale returns to the Underworld film series for the fourth installment, which finds fierce vampire Selene (Beckinsale) escaping captivity and taking up arms against humans after mankind discovers the existence of vampires and lycans, and launches a massive war aimed at wiping out the creatures of the night. Stephen Rea and Michael Ealy co-star. ~ Jason Buchanan, Rovi
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I love all the Underworld movies and this one was no different. The action is the same in all the movies, with a few little added extras. They set it up good for another one, but I really hate it when they end a movie that way.