This is a “coming of age novel.” It describes the events in the life of the girl Mia Havero from nine to fourteen years old. Mia was born and raised on a ship that flies in space from one space colony to another, as soon as Mia and other teenagers turn 14 years old, they will have to pass a test: they will be dropped off on one of the colonized planets, where they all need to live for thirty days and stay alive.