A hard-partying, down-on-her-luck, holiday-hater decides to get married at a Christmas-themed adventure park to a man she hasn't met.

Connect 3 lose their opening act for a major reunion tour, returning to their beloved Camp Rock to discover the next big thing. As campers vie for the chance to open for their favorite band, tensions rise and friendships are tested, leading to unexpected alliances, revelations and romances.