They thought him dead. After a battle of that magnitude, how could Krodin have possibly survived? But you can't underestimate a time-traveling supervillain. Young heroes Roz, Abbey, Paragon, and Lance find this out the hard way when, in the blink of an eye, the world changes. At first it's not all that noticeable. But something's not quite right. Maybe it's the smell of ozone in the air or the people acting strangely, like drones. Or maybe it's the images of Krodin everywhere that confirms it: This is not their America . . .