An intruder attacks Sanctuary 573, forcing Eva above ground. Alone, she relies on her survival skills and a cryptic note labeled "WondLa."

Eva visits a sage and learns a grim fact about humans. Undeterred, she doubles down on her quest as Besteel the bounty hunter closes in.

Eva learns the truth about humankind as Besteel tracks her down for a cataclysmic face-off.