A story about a suave spy and his unsophisticated twin brother who reluctantly fills his shoes. Super-spy Jason Star disappears just prior to a vital exchange of information. The National Security Bureau decides on the only solution available. They must coax Jason's twin brother, Dr. Warren Starbinder, an unsophisticated, well-meaning veterinarian, to fill in for Jason and complete this important mission. Broadcast as a "Disney Sunday Movie."