ThefilmtellsthestoryofMarthaHoffman,aneccentricandwealthypatronwhoiscommittedtoapsychiatricclinicbyherdaughters.TheexpertwitnessCasaresinvestigateswhetherthisisaschemetocontroltheirmother’sfortuneorifMarthatrulysuffersfromaformofdementiathatendangersherwell-beingandthatofherfamily.二十七个夜晚