In 1937, at the Lyons View State Asylum in New
Orleans, Louisiana, Dr. John Cukrowicz performs a delicate
experimental surgery known as a lobotomy. After the primitive
conditions at the institution nearly derail the operation, however,
John threatens to return to his practice in Chicago. In
response, Dr. Hockstader, the head of Lyons View, shows John a
letter from wealthy widow Mrs. Violet Venable, offering financial
assistance in return for a meeting with the venerable surgeon.
That afternoon, John visits Violet at her mansion in
the Garden District, where she makes a grand entrance by descending
in an elaborate, cage-like elevator. John is surprised by his
benefactor’s relative youth and by her obsession with her deceased
son Sebastian. In the mansion’s jungle-like garden, which
Sebastian modeled after Michelangelo's "Dawn of Creation," Violet
asks John to perform a lobotomy on her niece Catherine Holly, who
she claims is suffering from visions and hallucinations.
Catherine has been confined at St. Mary’s, but has offended the nuns
who run the hospital with her violence and obscenities. Violet
is particularly distressed by Catherine’s babbling a stream of
obscenities regarding her son Sebastian, who Violet asserts, has
"seen the face of God."
After Violet describes a trip with Sebastian to the
Galapagos Islands, where they witnessed flesh-eating birds devour
newly hatched sea turtles, she tells John that she traveled with
Sebastian every summer, except for the last one, when Sebastian went
with Catherine and died of a heart attack on the day that Catherine
lost her mind. Because Violet implies that her contribution to
Lyons View is contingent upon Catherine receiving a lobotomy, John
goes to St. Mary’s to interview his prospective patient.
There, Catherine insists that she is sane and portrays Violet’s
relationship with her son as unnatural. When John asks her
about Sebastian’s death, Catherine becomes hysterical and is only
able to recall a white hot beach and the pounding noise of tin
musical instruments. John arranges for Catherine to be
transferred to Lyons View, where Hockstader informs him that Violet
has agreed to donate $1,000,000 on the condition that John
lobotomize Catherine.
At Lyons View, Catherine is allowed to wear her own
clothes and live in the nurses’ wing. When Catherine’s mother
Grace and brother George come to visit her, Grace tells John that
Violet was shaken after receiving a letter from the authorities
regarding Sebastian’s death. After Grace asks to speak to her
daughter alone, John leaves the room and, once he is gone, George
confides to Catherine that Sebastian left them $100,000 in his will,
but that Violet has decided to block probate until Grace signs the
consent form for the lobotomy. Distraught, Catherine runs from
the room and blunders into the men’s ward, where her presence sparks
a riot. After being rescued by an attendant, Catherine asks
John if he plans to lobotomize her, and he appeals to her to trust
him. Once she is sedated, Catherine mumbles about Sebastian’s
appetite for blondes and his treatment of people like "items on a
menu."
Violet then comes to speak to John, and after handing
him a volume of Sebastian’s poetry, explains that each year during
their summer travels, Sebastian would write a poem. When John
asks her about the letter from the Spanish authorities, she
vehemently denies receiving it and says she was sent only a death
certificate. John then asks Violet to see Catherine, who is
just awakening from her sedation. When Violet accuses
Catherine of usurping Sebastian’s affection, Catherine retorts that
he used them both as procurers and, after Violet became too old and
unattractive, he decided to use Catherine as his bait.
Becoming hysterical, Violet implores John to "cut that hideous story
out of Catherine’s brain," then faints. Agitated, Catherine
wanders onto the balcony of the women’s ward and is about to jump
when an attendant restrains her. Pressured by Violet,
Hockstader insists that John perform the lobotomy the following day,
but John asks him for one last chance to jar Catherine’s memory.
The next day, John, Hockstader and a nurse escort
Catherine to the Venable home, where John has arranged to meet Grace
and George. After administering truth serum to Catherine, John
leads her into the garden and prods her to remember what happened
that last summer. After recalling that Sebastian suddenly
announced that he was taking her and not his mother to Europe,
Catherine revisits the events of that fateful summer.
As they traveled through Italy, Sebastian became
increasingly restless and, by the time they reached Spain, he had
abandoned his nighttime soirees for afternoons at the public beach.
One day, Sebastian forced Catherine to wear a bathing suit that when
wet, became transparent. As men came to leer at Catherine’s
body, hungry young boys swarmed Sebastian, who passed out tips to
lure them into the bathhouse with him.
While Catherine and Sebastian were seated at a
restaurant one blazing white day, hungry boys, barred from the
establishment by a wire fence, began calling for bread. After
Sebastian derided them as little beggars, the children began to
serenade them with tin cans and brass plates. Agitated,
Sebastian stormed out of the restaurant and started up a steep
street, walking faster and faster in panic. Chased by the
urchins, Sebastian became trapped in a maze of narrow streets.
After ascending a "steep white street," Sebastian found himself in
some ruins at the top of a hill where he was overtaken and devoured
by the frenzied crowd.
Upon completing her recitation of that terrible day,
Catherine finds that her memory has suddenly been restored.
The revelation about her son’s true sexuality is too much for
Violet, however, who loses her mind and comes to think that John is
Sebastian. John calms Violet, then returns to the garden where
he takes Catherine’s hand and hand in hand, they walk toward the
house.