Although being an exceptionally powerful mage, Nanoha spends her days normally with her friends on Earth. But peace is once again suddenly shattered, as Nanoha is without warning attacked by a powerful mage. A group of violent mages have been attacking anything with magic power for their own goals. Nanoha and Fate, along with their friends Yuuno, Arf, Chrono and the Space/Time Administration Bureau must once more band together to stop these renegade mages from hurting anyone or anything else. Takes place after the first season of Lyrical Nanoha.