"A Duet, with an Occasional Chorus" tells the story of a romantic and extramarital affair. The novella explores the complicated emotions and ethical dilemmas faced by the characters involved in the affair. The title, "A Duet," refers to the two main characters, Vance and Eve, who engage in this secret love affair. The "occasional chorus" represents the various characters in their social circle and the judgmental voices of society.Doyle's departure from his usual detective and adventure stories was somewhat controversial at the time, as the novella delves into the personal and emotional lives of its characters. It provides a glimpse into the moral and societal attitudes of the late 19th century, as well as the consequences of breaking social norms and engaging in extramarital affairs.Despite its departure from Doyle's more famous works, "A Duet, with an Occasional Chorus" is an interesting exploration of human relationships and societal expectations and provides valuable insight into the range of Doyle's writing talents.