Dr. Oscar Leroy Gilbart, a well-respected doctor, went to sleep on his 50th birthday and woke up from a nightmare that he was a different person. Just when he thought the nightmare was over, he again finds himself surrounded by the people in his dream. Is he still dreaming? Is his life as Dr. Gilbart only a dream? Can someone exist in two places as two separate people leading two different lives? Who is he really? Why is this happening again?