With a very pregnant Sally at home McMillan, Sgt. Enright and Mildred travel to by train to Los Angeles to attend a police convention. In fact, they're traveling on a train that was chartered for them and about another dozen area policeman by the wealthy Aaron Hildeth. He's also invited Tommy Brown, an author whose recent book revealed supposed police corruption, in the hope that he might develop a more positive impression of the police force. The cops aren't happy to have him on board and one of them even gets into a fistfight with the writer. When Brown is found shot to death in his compartment - and since there is no one other than police officers on the train - Mac correctly assumes that the murderer has to be one of them.
Did You Know?
This was the second time Murray Matheson and James McEachin had worked together on a Mystery Movie; the first time was on McCloud
(1970) four years earlier. In addition Matheson had finished his two year stint on Banacek
(1972) and McEachin's Tenafly
(1973) series had been canceled. See more
In the beginning, Mildred tells Mac they need to be at the train depot in 12 minutes. Since SF doesn't have a train depot (the Caltrain station only has tracks from SF to Gilroy, a town south of San Jose, CA) they would have to catch the train south in Emeryville or Oakland. On a Friday night with typical rush hour traffic, it would take 45 minutes to an hour to get to the station. See more