When news of a newborn vampire army reach the Cullen family, Carlisle shares a secret he's kept for centuries: a young vampire girl who lives alone in forest. The daughter of his old friend, who sent him a letter letting him know where she would be, and to keep her safe for him. Now, Lyra is drawn into the world she's spent her whole existence avoiding-brought to Forks by ancient promises and uncertain purpose. As she joins forces with the Cullens, tensions rise, secrets unravel, and Lyra finds herself caught between destiny and choice.