When The Cullens were running from James, and Alice, Jasper, and Bella has gotten to the hotel in Arizona, Bella was confused as hell. She left the hotel, and went to the ballet studio, and met James there. Right before he was about to turn her, you rushed in, and knocked him out. She had only met you once, you were Jacob's younger sister, and a vampire like the Cullens. The Cullens arrived, you were bandaging Bella's wounds.