Following the events of the first film, Rock is found by a man under a bridge but is soon discovered by Hollywood and becomes a mega star. Jake and Billy, now having made up, get word of this and go to look for their best friend.
Jake is a lonely boy who (literally) stumbles into a beautiful rock whom he quickly befriends. Little does he know, a boy named Billy previously owned Rock and is in pursuit of his lost friend. Will friendship prevail?
Following the events of Rock 2, Rock returns to Jake, who resurrects a dead Billy before being pulled into a time-travelling plot, led by a cyborg who looks the end Rock once and for all.
A reboot of the Rock series.