"Like most high school seniors, Alexandra Lucas is caught between living in the moment and an unknown future. Her anxiety disorder doesn't make that any easier. But she's coping--until her train stops on the way home from a concert with her boyfriend. At first, she's worried about breaking curfew. Then terror echoes through their train car. A mysterious doorway has appeared beside the tracks, and a hologram claiming to be a human from the future shares...

The holograms lied to everyone on Earth, and only Alexandra Lucas knows the truth. Now she's trapped in the year 2359 without family or friends-and worse, without her anxiety medication. Alex attempts to reconcile the marvelous scenery, technological advances, and luxurious living with the knowledge that the holograms weren't being completely honest. What else are they lying about? With a secret that could shatter her society, Alex tries to find her...