The Story Continues where the second one left off. The Toa Metru return to Metru Nui to rescue the remaining Matoran from the ruins of their once great city. But they find that the Archives, a sort of museum or zoo, was destroyed, letting loose all of the creatures. Worse yet, Visorak spiders have taken up residence in the city under the lead of Sidorak and his viceroy/fiancée Roodaka, who has plans of her own. The Toa a quickly captured by the Visorak and mutated into Toa Hordika, but before they are destroyed by the Visorak, the Rahaga, turaga/rankshi mix, save them. Their mission now is to find a legendary creature that can turn them back to normal and patch up their unity before they are separated forever.

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