Middle aged metal rock star Tarantula Moonrocket's career is going down the toilet. He rejects demands from his record company and his manager to be in a reality TV show and to fake scandalous behavior in order to increase publicity. Tarantula is put in a corner when he discovers that the record company own his name, image and likeness and it seems he has no choice but to follow their orders.
There is a new criminal mastermind at large--Professor Moriarty--and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.
When Sid accidentally destroys Manny's heirloom Christmas rock and ends up on Santa's naughty list, he leads a hilarious quest to the North Pole to make things right and ends up making things much worse.