After a virus outbreak, Sage Tate is infected and mutates. Instead of losing sanity, she awakens abilities: evades detection, understands zombies. To protect her secret, she follows her Adept brother into a sanctuary. She develops ability-enhancing devices, becoming a top genius. Truth unveiled, she realizes her power was part of a scheme. Caught between human civilization and her kind—the infected—her choice determines the future of the post-apocalyptic world.