Maine, 1906. Anya Eisenstern, a gentle, shy, and brilliant young physics student, becomes the first female at Outsmouth College. There, she joins the course of the famous Professor Boris Voynich and his assistant Arthur Arroway, who teach the scientific study of ghosts and the afterlife. But her encounter with Lucas, an insolent, loud-mouthed student with a dark secret, changes Anya's destiny, propelling them into the heart of the mystery that will lead to the terrible Tunguska disaster of 1908.