Tom and Beth are not happy when they move to North Berwick and find themselves facing a rainy, windswept beach, a house that's falling to pieces and a school full of strangers.

When they meet Professor Macblain, with his weird and wonderful inventions, little do they know that he has a secret: not only is he a thief, but he has stolen the one thing that can save the Firth of Forth from environmental catastrophe. A daring adventure unfolds in this funny and fast-paced tale of disasters waiting to happen.