Dr. Oscar Leroy Gilbart was an ordinary man, living an ordinary life until the night of his 50th birthday. A well-respected doctor, married to a psychologist, he went to sleep in his bedroom after a birthday celebration and woke up in a different place as a different person. Is he dreaming? Is his life as Dr. Gilbart only a dream? Who is he? Why is he being asked to kill someone? How does he get back home? Can someone really exist in two places as two separate people?