Peggy is scared: She's struggling to recover from polio and needs crutches to walk, and she and her neighbors are worried about the rumors of Communist spies doing bad things. On top of all that, Peggy has a hard time at school, and gets taunted by her classmates. When she finds a mysterious artifact that gives her the ability to fly, she thinks it's the solution to all her problems. But if Peggy wants to keep it, she'll have to overcome bullies, outsmart FBI agents, and escape from some very strange spies!