Hello, Gerald. I hope this isn't too weird for you-a letter from beyond the grave! By now you are my heir and worth a good deal of money. I hope you don't mind... I expect you've figured out that I was murdered. I would like you to find out who did it. Gerald Wilkins had only been hoping for a ski holiday, but plans change when a great aunt he's never met leaves him her entire estate worth twenty billion pounds! Whisked by his parents to London,...

It's nearly Christmas. Gerald, Ruby and Sam are meeting up with Alisha and Gerald's Australian school friend Ox for two weeks of snowboarding in the mountains of California. It's a dream vacation for the world's youngest billionaire.