September 28, 1975 8:00 pm
At Andy Kenesaw's 90th birthday party, an attempt is made on his life, just before a stockholders' meeting of the company he founded with Mac's grandfather years before (Kenemac Alfalfa Corporation, est. 1901) is held to consider a merger bid from Harvest Foods Incorporated.
October 26, 1975 8:00 pm
Commissioner McMillan celebrates an old friend's wedding, but the honeymoon ends when the bride is murdered, and the intended victim may be closer to home.
November 9, 1975 8:00 pm
Unusual interest is shown in the McMillans' house when Sally thinks of selling it. Then an earthquake reveals a body behind the brickwork.
December 7, 1975 8:00 pm
During an election, the city is beset by a fiscal crisis. Politicians are being blackmailed, and Sgt. Enright leaves the force to marry an heiress and work for a private detective agency.
January 18, 1976 8:00 pm
Mac is wounded in a failed drug raid and sent to the hospital, where he sees a patient smothered, and slowly unravels the case.
February 15, 1976 8:00 pm
Mildred and Agatha are named in a will. Heirs start dying, and next to inherit is Agatha, whose investigation runs parallel to McMillan's.
March 7, 1976 8:00 pm
A naval lieutenant facing a court-martial on a murder charge is appointed counsel in the person of Commander McMillan, USNR.