Franz Anton Mesmer opens the story, an 18th-century physician whose theory of "animal magnetism" convinced Vienna and then Paris that an invisible force could be channeled through touch and suggestion to cure illness. Hypnotherapist John Melton narrates the account of what happened next in Europe: royal commissions investigating Mesmer's claims, showmen turning the technique into stage entertainment, and physicians slowly separating the theatrical trance from something they could use in treatment. Period illustrations and historic photographs carry much of the film, showing the salons, the apparatus, and the practitioners who followed Mesmer into the 19th century as the practice shifted from parlor spectacle toward a recognized medical tool. The film sits squarely on one side of the era's central argument, that hypnosis was real and useful rather than trickery, while still showing the skepticism and ridicule Mesmer's contemporaries directed at him. Produced by HMI's Accredited College of Hypnotherapy, it works as a plain historical primer on how a controversial 18th-century theory turned into modern hypnotherapy.