Harry, a retired L.A. cop, travels to Africa to protect a big new client from a death threat. When he gets there he is stunned to learn that his client is a rare black rhino being hunted by poachers for its valuable horns.
A NASA scientist named Dennis Dugan and his robot clone are taken back in time to King Arthur's court. By using his modern technology to perform acts of "magic" for the court, Dugan upstages Merlin who is infuriated. .