A Robin Masters' sponsored jewelry design competition is being held at the estate with over $170 million worth of jewelry on display and the insurance company sends Krista Villeroch to check on the estate's security.
- Tom Selleck as Thomas Sullivan Magnum IV
- John Hillerman as Jonathan Quayle Higgins III
- Roger E. Mosley as Theodore "T.C." Calvin
- Larry Manetti as Rick Wright