When, prehistoric monsters attack the earth, Commander Adams is asked to head up a paramilitary scientific team, which he agrees on the condition that he is provided with the general's new high-tech space craft. Glen, the creator of the craft, insists on being part of the team, as does a bumbling fool named Marconi. Biologist Lieutenant Ann Johnson comes on as a surprise to these two chauvinists, and finally, Lieutenant Harris, who has been appointed the host of Ultraman, joins the team upon his arrivial.

With darkness encroaching on the island of Mata Nui, the only hope for the survival of the islanders rests with two Matoran villagers, who must find the seventh Toa and deliver to him the fabled Mask of Light.

In the time before time, six unlikely Matoran find themselves transformed into mighty Toa. The new Toa Metru must prove themselves as true heroes, find the missing Toa Lhikan, and uncover a plot that threatens the heart of Metru Nui.