We're gonna beunder heavy fire. I'll need youto clear a path for me. - Anna.- Go

Many thousands of years in the future, Earth’s cities roam the globe on huge wheels, devouring each other in a struggle for ever diminishing resources. On one of these massive traction cities, the old London, Tom Natsworthy has an unexpected encounter with a mysterious young woman from the wastelands who will change the course of his life forever.