Dermot Milligan loves donuts. His nickname at school is Donut. But he knows he needs to lose some weight, so now he's made a promise to stop eating them. And to make sure he keeps that promise, his mum is sending him to the dreaded Camp Fatso during the summer holidays.
When he arrives, Dermot realises the camp is even more horrible than he had imagined. Fed on a diet of gruel and carrots under the strict control of evil Boss Skinner and his paintball-gun-yielding guards, Dermot and his friends are desperate to escape. So together, they hatch a cunning plan . . .