What Alice does in New Moon, really...

Alice arranges a party for Bella's 18th birthday. When the Cullens leave, Edward requests that Alice not say goodbye to Bella.

During her absence, Alice takes time to research her human family with what little clues she had from James and discovers that she had a sister named Cynthia and a niece. She also found her grave and discovered that the ngày on her tombstone matched that of her admission to the asylum.

Alice later rushes back to Forks when she has a vision of Bella jumping off a cliff, though Alice she did not see Jacob rescue Bella. Alice is confused...