With the help of his misfit mechanical friends, a small town robot named Rodney embarks on the adventure of a lifetime as he heads for the big city to pursue his dreams and ultimately proves that anyone can shine no matter what they're made of.

Mata Nui, once a great and powerful ruler, finds himself in a remote wasteland of scrap parts and burnished metals. After winning a dangerous Glatorian battle, he's asked to help fight the local villagers' real enemies: the evil Skrall and Bone Hunters.