James O'Sullivan

Harm goes to Russia to help in reforming Russian military law; however, complications arise. Mac and Bud prosecute a Naval officer for espionage, then she too goes to Moscow. Harriet gets a small surprise, and Harm gets a large one.

Having a railroad built to pass directly through Walnut Grove sounds like a wonderful idea for many town residents, particularly since it would increase the size and popularity of the area. Others are concerned that it would destroy their quiet, simplistic lifestyle, and when they decide to fight it, lives are threatened.

Tony thinks it is an allergic reaction when his lips become swollen, but Angela has another explanation.

Matlock encounters a family full of suspects when an advice-to-the-lovelorn columnist is murdered.

A legal secretary (Shirley Knight) is accused of murdering her boss, who was having an affair with her daughter.