Chris Machin may think he's just a teacher, but the bottom feeders in Aberdeen squabbling over North Sea oil and gas contracts prefer to use his code-name - Sparrow. When his garden explodes he takes flight, unleashing various forms of Scottish mayhem. More complications are added by his ex girlfriend and a sociopathic policeman whose hobbies are violence, making arrests and, best of all, combining the two.
Joe Lorimer is a genius. His finest achievement is the online role-playing game Alternative Dimension, but he sees it as more than a plaything. He is fascinated by the freedoms offered by living in a virtual world, and the more sophisticated he makes his creation the more superior it seems to the alienating, faceless, ugly realities of daily life.