Series set against the background of thoroughbred horse racing. Dennis Weaver stars in title role. Kentucky Jones is a veterinarian and former horse trainer. Rickey Der is Dwight Eisenhower Wong, and Harry Morgan plays sidekick, Seldom Jackson. Jones emerges as a contemporary man, a former horse trainer and veterinarian, whose interest is horse racing and whose life is complicated by a foster son, Dwight, a 9-year-old Chinese orphan.