"Get out, Emmanuel!" growled my uncle. "Take your brother and go." But where can two boys go when they're on their own, on the run, with little money or food?

All 12-year-old Emmanuel knows is that he has to look after Prince.

They were his father's last words to him. On the train to London, Em and Prince have no idea where they will end up - but then they meet the mysterious Mr Green and his "friends". And that's when things start to spin out of control...