Build a movie plot around this: Who plays Grace? Mercedes McCambridge
A:
New Orleans, 1937: Catherine Holly (Elizabeth Taylor) is a young woman institutionalized for a severe emotional disturbance that occurred when her cousin, Sebastian Venable, died under questionable circumstances while they were on summer holiday in Europe. The late Sebastian's wealthy mother, Violet Venable (Katharine Hepburn), makes every effort to deny and suppress the potentially sordid truth about her son and his demise. Toward that end, she attempts to bribe the state hospital's administrator, Dr. Lawrence J. Hockstader (Albert Dekker), by offering to finance a new wing for the underfunded facility if he will coerce his brilliant young surgeon, Dr. John Cukrowicz (Montgomery Clift), into lobotomizing her niece, thereby removing any chance that the events surrounding her son's death might be revealed by Catherine's "obscene babbling."Mrs. Venable meets with Dr. Cukrowicz in the primordial garden ("like the dawn of creation") at her estate to discuss her niece's case, and their conversation eventually turns to Sebastian. Mrs. Venable describes him as a poet whose art was his sole occupation even though he only wrote a single poem each year during the summer months and never published his work and recounts her own previous vacations with him. Cukrowicz agrees to visit Catherine and begin his evaluation. Catherine has been confined to a private women's mental institution since returning from Europe several months earlier. When Cukrowicz interviews her, she struggles to recall the specific events that led to Sebastian's death and her subsequent breakdown, but expresses a sincere desire to do so.Beginning to doubt that she has lost her mind, Cukrowicz decides to move Catherine into the state hospital for continued observation. Catherine's mother, Grace (Mercedes McCambridge), and brother, George (Gary Raymond), pay her a visit there and reveal that Sebastian has left them a considerable sum of money. Unfortunately, Mrs. Venable will not give them the inheritance unless they sign papers to commit...