Ten years after the disaster, only one place in the world is safe: Hades. Each person has a role, a role that one cannot refuse to play. The civilians are farmers, teachers, doctors... The guardians are people without ties or belongings who dedicate...

Ten years after the disaster, only one place in the world is safe: Hades. Each person has a role, a role that one cannot refuse to play. The civilians are farmers, teachers, doctors... The guardians are people without ties or belongings who dedicate their lives to protecting others. The rulers control everything. Despite the severity of the system, everyone wants to be part of it, but since its doors were closed, no one has entered it again. Astrid is one of its most promising guardians. However, her only mission, a mission for which she would give her life, will be to escape; because nothing is what it seems in Hades.