In the year 2025 the Internet practically runs the world, and its virtually reality webwork has to be policed by Net Force to prevent terrorists from sabotaging it. But sometimes they need help. Which is where the Net Force Explorers come in, the young people's auxiliary for computer whiz kids who have made it through a tough training programme. Now secrets are being posted on the Web - ranging from innocuous to deadly - and no one can figure out who is doing it or why. But Explorer David Gray begins to suspect that his employers - a firm that manufactures a computer you can wear that interfaces with the human body - are behind the leaks. If he can prove it, he'll be a hero. Then his only problem will be staying alive.....