Sometimes it’s best to leave the past alone. For when biographer Martin Nanther looks into the life of his famous great-grandfather Henry, Queen Victoria’s favorite physician, he discovers some rather unsettling coincidences, like the fact that the doctor married the sister of his recently murdered fiancě. The more Martin researches his distant relative, the more fascinated—and horrified—he becomes. Why did people have a habit of dying around his great grandfather? And what did his late daughter mean when she wrote that he’s done “monstrous, quite appalling things”?