Professor Isaac Stone arrives at the Rudyard Kipling hospital to see a mysterious patient called Esmeralda Harris – who has suffered a nervous breakdown after witnessing a shocking event. Eleanor Berry keeps the reader guessing as she teases out the story and what it is that Esmeralda saw that was so distressing.

We then meet a delightful raconteur called Charlie Yates, whose anecdotes will enthrall the reader. Come Sweet Sexton, Tend My Grave comes to a sinister and tragic climax at the end when Esmeralda and Charlie are united under disastrous circumstances...