On the edge of loosing a local government contract, the Foundation and Devon recall Michael from retirement to oversee the completion of the Knight 4000. In a town where handguns are outlawed, crime has become rampant, and the current system of freezing convicts is not working. Michael returns on one condition, to reunited with his friend KITT. Sadly, KITT has been dismantled and the parts sold by Russell Maddock the new head of the Foundation. Devon manages to recover all but one chip which has been implanted in the head of Shawn McCormick, a female cop whose brain was destroyed by a bullet. He and Shawn, who has a chip on her shoulder as well as in her head, are teamed to stop the current handgun situation where they discover the hidden secrets of the local police department and restore KITT into a new vehicle.