The indomitable Amelia Watson, second wife of the famous doctor, continues to bend her formidable intellect to solving further crimes. Whether foiling anarchists, investigating a possible murder committed high above the streets of London, rescuing her old theatre colleague Harry Benbow from a decidedly awkward scrape involving a haunted house, untangling the connection behind a trail of all-too-real headless corpses, or determining the truth behind a case of apparent spontaneous combustion, this respectable Edwardian lady remains a force to be reckoned with.