It was a one-in-a-million accident... but Number Five, designed to be a strategic, artificially intelligent weapons system, the most sophisticated robot on the planet, has escaped - and has come to the conclusion that he's alive! Now the scientist who put him together wants to take him apart again to find out what went wrong. The president of Nova Robotics wants to capture him before the weapons he's carrying kill millions of civilians. And the security chief wants to blow him up so that he can get home in time for dinner!