Jay Haley describes the various types of hypnosis (self- hypnosis, research hypnosis, clinical hypnosis and medical hypnosis), the history of hypnosis in the medical professions and the process of learning hypnosis. Haley discusses Milton H. Erickson's roll in the field of hypnosis. Haley shows clips of some of Erickson's hypnosis sessions from 1958 and 1964 and comments on them
