Imogen Quy returns after a decade to solve another intriguing Cambridge mystery. Wise, witty nurse Imogen Quy of St Agatha's College, Cambridge, solves the mysteries surrounding the death of a billionaire financier.

First Sir Julius Farran dies suddenly, followed shortly by his unpleasant son-in-law. With St Agatha's in danger of bankruptcy and Imogen's one-time lover one of the prime suspects, Imogen decides it is up to her to find out what really happened.