House-sitter Jon Jon Harris is raising the roof... and asking for trouble! While his music mogul uncle's away, Jon Jon enlists his best buddies and girlfriend to plan a raging bash. With the entire school and music's biggest names on the guest list, Jon Jon plots a house party like no other!. But his savvy sister is on to his game, and she'll stop at nothing to tell Mom. RSVP to comedy, chaos and music.... all under one roof!.