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Fin debuts Evergreen to the seven smartest people in the world and Hannah guides them on a tour that will change their lives forever.

Trapped in Evergreen, the group turns to Hannah for answers as they plot an escape to the Earth's surface.

With supplies dwindling, the group channels each of their respective skill sets into cultivating Evergreen for long-term survival.

A new discovery threatens to tear the group apart as Hannah must decide if she'll reveal what she really knows about Evergreen.

Cortex needs a reboot, giving each faction an opportunity to enact their plans. But there's one player they didn't account for.

As Hannah and the others fight for control of Evergreen, Axel uncovers a secret in an unexplored area that changes everything.

Hannah spearheads a mission into the depths of Evergreen to fix Fin's mistake. But they aren't prepared for what lurks beneath The Sphere.

Revived from deactivation, Hannah discovers Jeffrey has imprisoned her faction. But hope is regained when a desperate adversary switches sides.

With time running out, the imprisoned faction attempts a coup. But can Jeffrey and his team truly be defeated?