01. Downshift to Danger
The grand prize of the 20th Annual Golden State Rally in Monterey is an antique car collection willed by a late millionaire. Mischief develops into mishaps and worse, until an entrant is killed.
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September 29, 1974
02. The Game of Survival
A temperamental tennis champion is suspected of murdering a newspaper magnate who had him suspended.
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October 20, 1974
03. Buried Alive
A WWII intelligence colleague, long since thought to be dead, turns up and is murdered.
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November 10, 1974
04. Guilt by Association
Mildred is accosted while serving on a sequestered jury, then another juror is murdered in his locked room.
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December 8, 1974
05. Night Train to L.A.
Mac heads south to a police convention on a train filled with officers, Mildred, and the author of Cops and Other Crooks, who is murdered en route.
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January 19, 1975
06. Love, Honor and Swindle
It seems that Mac's sister is engaged to a con man out to diddle a mining company.
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February 16, 1975