Since the beginning of the world, Humans think they are protect by Gods, by invisible entities for Humans. But they don't know that their Gods are real and are called “Guardians” and their role is to protect Humanity against all the supernatural attacks while hiding their identity by living with mortals on Earth. For each Generation, a new Unit is created for protect them from a new Danger which wakes from shadows. After their mission, they return to Earth and continue to live like nothing happened.
Season I - The New Generation
