换脑机器

MarcLacroixisapsychiatrist,astudentofthebrain,witharockymarriage,amistress,andaten-year-oldson.Healsohasasecretlaboratorywherehe'sbuiltamachinehethinkswillallowhimtopenetratethemindofanypersonhookeduptothemachinewithhim.HetestsitwithZyto,apsychopathwhohaskilledthreewomen.Themachinefailsandexchangesthemen'sbrains.ZytopasseshimselfoffasMarc,andMarc(nowinZyto'sbody)escapesfromtheasylumtotheflatofhismistress.ShetriestowarnMarc'swife,exposingherselftoZyto.Allarenowingravedanger.