Humanity is split into the App World and the Real World—an extravagant virtual world for the wealthy and a dying physical world for the poor. Years ago, Skylar Cruz’s family sent her to the App World for a chance at a better life. Now Skye is a nobody, a virtual sixteen-year-old girl without any glamorous effects or expensive downloads to make her stand out in the App World. Yet none of that matters to Skye. All she wants is a chance to unplug and see her mother and sister again. But when the borders between worlds suddenly close, Skye loses that chance. Desperate to reach her family, Skye risks everything to get back to the physical world. Once she arrives, however, she discovers a much larger, darker reality than the one she remembers.

Skylar has been betrayed. By her sister, who was willing to sacrifice Skylar for her own plans, and by Rain, who lied to her about everything. Perhaps worst of all, Skylar and her friends failed to stop the Real World’s plans for the people who are plugged in. The Body Market is now open for business—and Inara, Skylar’s best friend, is for sale. Shaken by the betrayal of everyone she trusted, Skylar learns there is a price on her head and that a bounty hunter is determined to deliver her to the Body Market. But Skylar is through being a pawn in everyone else’s game. She may be the only one who can stop what her family started. And she must do it before everyone in the App World runs out of time.

Skylar Cruz’s heart is shattered. But even though everyone has betrayed her, Skylar was able to negotiate a way to open the door between the Real World and the App World. Now Skylar must help the people who left the virtual world behind as they become refugees in the Real World. And for everyone who remained plugged in, a new danger has become evident. Their bodies are mysteriously dying, and it’s because of events Skylar’s sister, Jude, set in motion. A virus has been unleashed that could mean total extinction of the App World—and everyone in it. Skylar and Jude must set aside their differences and work together if they are to defeat the mind virus before the App World fades away into oblivion.