Murder, She Wrote: The Celtic Riddle

When her doctor recommends that a widow pursue her unfulfilled life ambitions, he doesn't realize that she has always wanted to be a spy. Sending a letter to her congressman gets her an interview with the CIA and accidentally gets her an assignment to Morocco for a supposed easy task of picking up an encrypted code book. When the agency realizes their mistake, they send a super-agent to watch over her. Both are taken prisoner and the real agent is injured, leaving Mrs. Pollifax to use her considerable wits to help them escape and to save the day.

JB Fletcher is a speaker at Speakers Incorporated attended by various authors. Uri Malenkovitch also attends to promote his book about the KGB. When he is killed, Jessica helps a struggling writer accused of his murder.

Jessica Fletcher discovers a shocking old family secret that leads her on a journey to the deep South to bring to light the mysterious details surrounding the death of a slave owned by one of her long dead ancestors in the mid-1800s.

Jessica Fletcher searches for a woman who witnessed the murder of a man trying to expose a serious flaw in a top-secret government satellite code.

Ada Harris, a London charwoman in the 1950's, sees a Dior dress and decides that she's going to own one. First, she scrimps and saves her money, but when she has enough, and takes a trip to Paris, she learns that buying an original couture creation is a little harder than simply plunking down cash. Along the way to her goal, she manages to befriend a count, unite young lovers, and dodge customs.