George, the third Lord of Devonshire, is the unluckiest child in all of London. First, he is an orphan; second, he is about to lose his house. When a band of thieves steals his family's last item of value, he has really hit bottom. When all seems lost, he meets Ada Byron, a brilliant 12-year-old scientist. Together with Oscar, the son of an infamous pirate and a daring orangutan, George and Ada embark on an amazing adventure.