Martin Overshaw and Corinna Hastings are leading dull and unproductive lives in Paris, having fled humdrum England. They fall in with Fortinbras, who calls himself a Marchand de Bonheur. He predicts a bright future for them and suggests they set out on a journey through France together. The book follows their adventure which turns out to be far more complicated than it might at first seem. They meet a variety of characters on the way and the looming threat of the First World War overshadows the second half of the book, which nonetheless ends happily for all concerned.

This episode includes AI-generated content.