Eva, a curious, enthusiastic, and spirited teenager, is raised in a state-of-art bunker by Muthr, a robot caretaker. On her 16th birthday, after an attack on Eva's bunker, she finds herself on the surface of a strange planet called Orbona, which is inhabited by aliens, covered with other-worldly fauna, and has no other humans to be found. Eva is joined by Otto, a giant tardigrade, and Rovender, a cantankerous alien, to help find humans, her home and her true destiny.