It's been years since the father was destroyed, but now the Homunculus from back then are showing up again, Lust Envy and the whole crew are back to make trouble. So Roy Mustang made a new unit, the Homunculus disposal unit.
The gatekeepers have all died at early ages until now defending the gates, and now a new evil has formed to invade the gates and destroy the realms
The fate of the gatekeepers have always been the same, death. Will things change?