An author whose novels feature his hometown disappears; the publisher hires Barnaby to find the last chapter of the newest novel. A senile aunt introduces Barnaby to the "family" in her dollhouse, providing the clue to more than one murder.

A blind pianist whose sight has been restored kills his blackmail victim just before Barnaby arrives. Barnaby suspects him but must prove he can see.

A race car driver gets caught cheating on his wife by his brother-in-law, and in order to keep his indiscretions secret he resorts to murder. Barnaby is hired to investigate by the father-in-law who thinks competitors killed his son.

After a woman's niece is shot and killed in a botched robbery attempt, she suspects that she was intentionally murdered and hires Barnaby Jones to investigate.

An imprisoned dying man makes a deal with a murderer to take the rap for the man's crimes, just as long as he will financially take care of his wife after he's gone. But when the deal goes sour, Barnaby is hired to see to it that justice is served.