Incarceron, a prison that has no mercy, watches it's prisoners kill each other for goods, and never sees the sun. A boy, Finn, lives in this dark, cold world, but believes he has come from the Outside, where the stars shine brightly. But he has no memory before the day he woke up in an Incarceron cell. Then he finds, or more steals, a blue key that connects to the Outside, where he talks to a girl named Claudia. He wants to get out and she believes he has something she wants.