1897: An elderly widow, Anna Maria Druce, made a strange request of the London Ecclesiastical Court: it was for the exhumation of the grave of her late father-in-law, T.C. Druce. Behind her application lay a sensational claim: that Druce had been none other than the eccentric and massively wealthy 5th Duke of Portland, and that the, now dead, Duke had faked the death of his alter ego. When opened, Anna Maria contended, Druce's coffin would be found...

"One of the most notorious and bizarre mysteries of the Edwardian age, for readers who loved The Suspicions of Mr. Whicher. At the close of the Victorian era, as now, privacy was power. The extraordinarily wealthy 5th Duke of Portland had a mania for it, hiding in his horsedrawn carriage and creating tunnels between buildings to avoid being seen. So when, in 1897, an elderly widow asked the court to exhume the grave of her late father-in-law, T.C....