In De Forest Kelley’s first major role, he plays the part of a man who wakes up from a nightmare, a nightmare where he stabs an unknown man during a scuffle when he stopped him from breaking into a wall safe in an mirrored octagonal room. When he awakens he finds a button and a key, both of which h remembered from the dream. He goes to his brother in law (Paul Kelly) and presents him with the evidence. Did he commit murder, or was it just a dream?