Bree Tanner and the other newborn vampires prepare to battle the Cullens and Bella Swan, Seattle's older vampiric clan and its human pet.

Bella must choose between her friendship with Jacob, a werewolf, and her relationship with Edward, a vampire, but when Seattle is ravaged by a mysterious string of killings, the three of them need to decide whether their personal lives are more important than the well-being of an entire city.