Poirot discovers there is more to Eliza Dunn's disappearance than he first thought.
BBC Radio 4 Extra
1/6 Things have never been the same since city worker Paul Dudden came to stay.
1/4 Charles hopes to wed his wartime sweetheart Sophia, but then her grandfather dies suddenly
2/6 Dorothy L Sayers and Agatha Christie contribute to the 1930s whodunit.