In 1851, private-detective Laetitia Rodd is enjoying a well-earned holiday when she gets an urgent request for her services. Mrs. Roddās neighbor Jacob Welland is a reclusive rich gentleman dying of consumption, and he wants Mrs. Rodd to find his brother, who has been missing for fifteen years.
Joshua Welland was a scholar at Oxford, brilliant, eccentric, and desperately poor when he disappeared from the university. Friends claim to have seen him since, in gypsy camps and wandering around the countryside. But the last sighting was ten years beforeāwhen Joshua claimed to be learning great secrets from the gypsies that would one day astound the whole world.
Mrs. Rodd travels to Oxford and begins to search for the wandering scholar. But as she investigates, Mrs. Rodd discovers something darkāand extremely dangerousālurking in the beautiful English countryside.