When a confused and desperate Caroline leaves the hospital and joins her friends at the Mystic Falls Carnival, Damon wants to take immediate action, but Stefan and Elena come to Caroline�s defense. Matt is completely mystified by Caroline�s behavior, but still tries to tell her about his feelings for her.. Damon has suspicions about Tyler�s Uncle Mason and uses Tyler�s volatile personality in an attempt to get Mason to reveal his secret. Upset with everything going on around her, Bonnie takes her anger out on Damon.