Fifteen-year-old runaway Singer has never known a place that feels like home or a family who can accept her physical disability. After a mysterious fire claims her last few possessions, Singer finally gets a chance to belong. She joins a team of displaced teens who are secret testers of the TimeTilter, an experimental in-person gaming site. But the team soon discovers that they're trapped in the TimeTilter, the subjects of dangerous research on the limits of human sensory perception. Battling to survive in a place where she can't trust her own senses, Singer must confront her self-doubts and search for home—and acceptance—in unexpected places. With key plot elements tied to bioengineering, the story contributes to student interest in STEM fields.