ThefilmtellsthestoryofMarthaHoffman, aneccentricandwealthypatronwhoiscommittedtoapsychiatricclinicbyherdaughters.TheexpertwitnessCasaresinvestigateswhetherthisisaschemetocontroltheirmother’sfortuneorifMarthatrulysuffersfromaformofdementiathatendangersherwell-beingandthatofherfamily.！