A madness for spiritualism has gripped London in 1907. Séances and theatrical shows where spirits make contact with their living families are all the rage, and there are a legion of investigators trying to discover the secrets of the supernatural. Among them, Professor Patrick Moore stands at the forefront, and he is now at a crossroads ‒ he's got 72 hours to prove the existence of the Great Beyond or else his Metapsychic Investigations Department will shut down forever.Racing against the clock, with the help of a fake medium named Beatrice Sha...