125 Gower Street, 1882: Sidney Grice was once London's premier personal detective. But since his last case led an innocent man to the gallows, business has been light. Listless and depressed, Grice has not even gathered the strength to re-insert his glass eye. Then an eccentric member of a Final Death Society has the temerity to die on his study floor. Finally Sidney and March have an investigation, one that will draw them to an eerie house in Kew, and the mysterious Baroness Foskett...