Caroline, Elena and Bonnie go to campus costume party, and they stumble upon another vampire! When they realize that someone is just trying to scare students, they decide to have fun, and to teach the owner a lesson.
One of the campers Blue Mountain revealed in convulsions and scratching her berth in pieces, pushing Jeremy and April issue of whether the prank pranks Beast Blue Mountain at all. But with the help of Bonnie Bennett, truth revealed!