The teenage coming of age story combined with some well-crafted pop music rarely fails with audiences, so it was not such a big surprise when Camp Rock (2008) and Camp Rock 2 (2010), coming in quick succession, were a great success. Demi Lovato Visits The SiriusXM Studios In New York City | Cindy Ord/GettyImagesWho will be int the cast of Camp Rock 3? MTV TRL With The Jonas Brothers | Scott Gries/GettyImagesWhat will be the plot of Camp Rock 3? The official press release gave some basic lot lines of the new Camp Rock sequel. They return to Camp Rock, their old stomping ground, in search of the next big thing.