It's the late 1960's. Just for a lark, graduate student Eddie Jessup, known for being unconventional, brilliant and slightly mad, conducts experiments with an isolation chamber, using himself as the subject. His experiences in the chamber cause him to hallucinate, much of the imagery being religious-based despite he not being a religious man. Seven years later, he is a respected full professor in the Harvard Medical School. Believing he has lost his edge and has fallen into an unwanted state of...