Otis Jones, a small-town printer, has a fixation with the study of mental telepathy, and lives for the day when he can meet the top exponent of his hobby, The Great Martine. A bolt of lightning hits him, giving him the real power of reading people's minds. When his daughter, Jill, and her rich young fiancée, Bud Wheeling, become involved in a scheme with the plotting Martine, he is able to make use of his newly-found power.