Follow the crime-solving adventures of one of television's most loved on-screen couples in these classic television movies that were part of the popular NBC Mystery Movie line-up. Take a nostalgic trip back to 1970s California cool with San Francisco Police Commissioner Stewart 'Mac' McMillan and his amateur detective wife, Sally, as they solve crimes with the help of their wise-cracking housekeeper, Mildred (Nancy Walker), and Mac`s loyal but dim-witted assistant, Sgt. Enright.  Downshift to Danger - The grand prize of the 20th Annual Golden State Rally in Monterey is a vintage car collection willed by an eccentric millionaire. Mischief develops into mishaps and worse, until an entrant is killed. The Game of Survival - A temperamental tennis champion is suspected of murdering a newspaper magnate who had him suspended.