The third installment of the electrifying "Twilight" saga finds Bella (Kristen Stewart) forced to choose between Edward (Robert Pattinson), a vampire and the love of her life, or Jacob Black (Taylor Lautner), a werewolf and her best friend. The result of her decision may reignite the ancient feud between vampires and werewolves, while a scorned vampire bent on revenge appears responsible for a string of brutal murders