'You'll be sorry when I'm dead.' That's what Harry said to his sister, before the incident with the lorry. And now he is just that - dead. And he wishes more than anything that he hadn't said it. He wishes he could say sorry. And say goodbye to everyone he left behind - his mum, his dad, his best friend Pete, even Jelly Donkins, the class bully. Now he's on the Other Side, waiting to move on to the Great Blue Yonder. But he doesn't know how to get there - until he meets Arthur, a small boy in a top hat, who's been dead for years, who helps him say goodbye...