Tras derrotar a los Morbuzakh y al mutante Krahka, los Toa han sido traiconados por alguien de su confianza que ha puesto a la ciudad en su contra. En una huida contrarreloj los Toa que no han sido capturados inician una trepedante huida de los letales Cazadores Oscuros que intentan detenerles. Mientras, en la prisión sus compañeros conocen a un enigmático extranjero que les ayudará a escapar y les descubrirá nuevos poderes...

After their defeat of the Morbuzakh and the shape-shifting Krahka, the Toa Metru expect to be hailed as heroes. Instead, they are betrayed by someone they thought they could trust. Three of the Toa are arrested. In prison, they meet a mysterious stranger who helps them to escape and learn more about their new powers. The remaining Toa are forced to flee through the city, avoiding security forces and the Dark Hunters who try to capture them. Can the Toa reunite and defeat their new enemy? Or has their luck finally run out?