Metru Nui - Nuhrii
In the time before time, Metru Nui, city of legends, faces danger unlike any it has known before. A mysterious and powerful menace threatens the city, striking from the shadows and then disappearing, leaving rubble in its wake. Six Matoran hold the keys to its defeat, but they have disappeared! Worse, one of them has been touched by darkness and plots against all of Metru Nui.
Nuhrii hopes someday to be the most famous mask maker in all of Metru Nui. Now he has the chance to create the ultimate Kanohi Mask -- but his plans puts the entire city in desperate danger!