Mr. Carmedy is the man who sets the down-and-out private investigator Ben Reilly on the case at the heart of the episode. Claiming to be the husband of the nightclub singer Cat Hardy, he believes she is unfaithful and pays Ben to follow her and gather proof.
When Ben returns with photographs but no affair to report, telling Carmedy his wife spent the night alone, Carmedy takes his money back and goes home, leaving the detective to weigh what he has actually stumbled into.