What Is Forbidden About?
The premise of Forbidden in 350 words, with nothing given away. The full story follows below.
In the bustling heart of Blackpool’s Golden Mile, the bright lights of the fairground cast long shadows over the promenade, turning the seaside town into a carnival of hopes and hidden tensions. The air smells of sugar, sea‑salt, and the faint smell of industrial tonics, while the iconic silhouette of Blackpool Tower watches over a world where genteel aspirations clash with gritty, working‑class realities. The atmosphere crackles with a mixture of humour and unease, hinting that beneath the laughter and bright banners lie stories that refuse to stay simple.
Jim Harding is a once‑respected chemist whose scientific career has been swapped for a cramped stall selling patent hair‑tonic alongside his former army comrade Dan Collins. Their partnership is a blend of easy camaraderie and pragmatic survival, each day a delicate balancing act between the honesty of hard‑earned wages and the allure of quick, questionable sales. Their stall, caught in the competitive maze of fairground vendors, becomes a micro‑stage where ambition, necessity, and the occasional clash with local toughs add a subtle undercurrent of conflict to the otherwise festive surroundings.
Beyond the stall, Jim is tethered to a marriage that feels more like an obligation than a partnership. His wife, Diana Harding, is a forceful, aspiring show‑biz type whose ambitions spill over into every aspect of their life, making the home feel as cramped as the fairground alleyways. Across the way, Jane Thompson runs a modest candy‑floss and ice‑cream stall, her kindness and grounded demeanor offering a stark contrast to the glittering but demanding world Diana inhabits. The chemistry between Jim and Jane sparks quietly, illuminating the possibility of an escape from his current confines.
The film dwells on the tension between duty and desire, set against Blackpool’s vividly rendered backdrop. As the characters weave through stalls, boardwalks, and the looming tower, the story teases the fragile line between longing for a better life and the weight of commitments already made. The mood is both nostalgic and uneasy, inviting the audience to wonder how far a man will go when the promise of freedom glimmers just beyond the next fairground booth.
What Happens in Forbidden?
The complete story of Forbidden, from the first scene to the last, in 419 words (about 2 minutes). Spoilers throughout. Names in the text link to 5 cast member pages.
Spoilers ahead
In Blackpool, Jim Harding, a trained chemist, has been reduced to making a living by selling potions and medicines from a fairground stall, working alongside his former army comrade Dan Collins. He is trapped in a loveless marriage to Diana Harding, a vulgar, domineering woman with ambitions of breaking into showbusiness, while he finds himself drawn to the kinder, working-class Jane Thompson, who sells candyfloss and ice cream at a neighboring stall. Jim keeps his marriage a secret from Jane as the two begin an affair, even as Diana carries on a separate liaison with the older Jerry Burns, whom she believes can help her theatrical dreams along.
As the affair deepens, Jane remains unaware of Jim’s marital status, and Diana’s own scheming adds fuel to the tension. Jane’s loyalty is tested when Diana confronts her, revealing Jim’s marriage and accusing him of preying on young women, offering cash to end the relationship. Jane refuses to be bought off and challenges Jim to face the truth, while Jim protests that he is trapped in an intolerably unhappy marriage and that Diana’s selfishness has driven him to the edge. He pleads for a divorce, but Diana refuses, fearing what a break with her husband could do to her career.
Desperation pushes Jim toward a drastic plan. Using his chemical knowledge, he concocts pills containing a lethal dose and slips them into Diana’s regular supply. Yet, as he hurries home in a panic, he discovers Diana dead. Frantic, he buries her body beneath the floorboards in his workshop, only to learn later that the deadly pills remained unused in her system. Diana died of natural causes, making his attempt to dispose of the body both incriminating and unnecessary.
Diana’s sudden disappearance arouses the attention of the local authorities, and the investigation proceeds with the implication that Diana’s husband may have murdered her. Jim tries to flee, but the chase tightens through the streets of Blackpool, culminating in a tense confrontation at Blackpool Tower. The case hinges on the fragile line between a man’s desperate act and the unravelling truth of a woman’s illness and a marriage gone sour.
Throughout the ordeal, the film explores themes of marital dissatisfaction, the pressures of ambition, and the consequences of a dangerous plan gone awry. The atmosphere of Blackpool—the fairgrounds, the intimate stalls, and the looming tower—provides a moody backdrop as Jim’s carefully laid scheme collapses under the weight of circumstance, leaving him to confront the consequences of choices made in the shadow of desperation.
Forbidden Timeline: Every Key Event in Order
12 key events in the order they happen, from “Jim peddles potions at a Blackpool fairground” to “Jim flees through Blackpool and faces the Tower”. 11 events name a place, across 8 locations.
- 1
Jim peddles potions at a Blackpool fairground
Jim Harding, a trained chemist, earns a living selling potions and medicines from a portable stall on the Blackpool fairground, accompanied by his former army colleague Dan Collins. The duo uses their craft to make ends meet while the fairground atmosphere hums around them. This modest life grounds Jim as he navigates a future he didn't intend.
Where:Fairground stall, Blackpool
- 2
Jim trapped in a loveless marriage with Diana
Jim's marriage to Diana is unhappy and stifling, with her domineering, ambitious nature driving a wedge between them. Diana harbors theatrical ambitions and treats Jim as a means to an end rather than a partner. Jim experiences growing dissatisfaction, feeling trapped in a relationship that offers him little affection or respect.
Where:Jim's home
- 3
Jim meets Jane and begins a discreet affair
Attracted to the kinder, working-class Jane Thompson, Jim starts an affair that promises warmth and companionship he lacks at home. They meet at a nearby stall where Jane sells candyfloss and ice cream, and the bond deepens despite the risk of exposure. Jim does not reveal his married status as their relationship blossoms.
Where:Jane's candyfloss and ice cream stall, Blackpool fairground
- 4
Diana continues her own liaison with Jerry Burns
While Jim pursues Jane, Diana pursues her theatrical ambitions through an ongoing liaison with the older Jerry Burns. She believes Burns can help advance her career, and she uses the arrangement to bolster her own standing. The parallel affair adds to the tension and motives in the couple's broken marriage.
- 5
Diana exposes Jim's marriage to Jane and tries to buy her off
Diana discovers Jane's existence and visits Jane's home to reveal Jim's married status, trying to persuade Jane to end the affair. She even offers cash, hoping to buy Jim's lover's silence and secure her own path to the stage. Jane refuses to be bought, setting the stage for a confrontation with Jim.
Where:Jane's home
- 6
Jane confronts Jim; he pleads for divorce
Jane confronts Jim about the betrayal, and he explains that he is trapped in an unhappy marriage with a selfish wife. Jim asks for a divorce, but Diana refuses to split, fearing it would jeopardize her career. The confrontation deepens the sense of inevitability about Jim's grim options.
Where:Jane's home
- 7
Jim plots to kill Diana
In desperation, Jim decides that the only way out is to remove Diana from his life by killing her. He studies her medical history, including a thyroid illness and medication habits, hoping to exploit weak points. The plan marks a dark turning point as he contemplates murder.
Where:Jim's workshop
- 8
Jim creates lethal pills to slip into Diana's supply
Using his chemistry knowledge, Jim concocts pills containing a lethal dose that could appear as part of Diana's regular medicines. He carefully prepares the potions in his workshop, trying to keep the plan from his own knowledge and conscience. The act marks a chilling prelude to murder.
Where:Jim's workshop
- 9
Diana dies and Jim buries her under floorboards
In a panic after Diana's death, Jim buries her body beneath the floorboards in his workshop to hide the crime. He believes his carefully laid trap has silenced his problem at last. Later events reveal a troubling twist about the true cause of her death.
Where:Jim's workshop
- 10
Jim discovers Diana died of natural causes
During later clearing of the bedroom, Jim realizes the pills he made were never used and that Diana died of natural causes. The disposal of her body becomes incriminating rather than protective, forcing Jim to confront the consequences of his actions. The turn of events twists the situation into a more dangerous predicament.
Where:Jim's home, bedroom
- 11
Police connect Diana's disappearance to murder
Diana's unexplained disappearance triggers police suspicion, as investigators deduce that she was killed by her husband. Jim becomes the prime suspect, and the evidence mounts against him. His attempts to maintain his freedom are complicated by the growing case against him.
Where:Blackpool town
- 12
Jim flees through Blackpool and faces the Tower
Panicked by the growing investigation, Jim tries to flee, chased through the streets of Blackpool. The pursuit culminates in a final confrontation at Blackpool Tower, bringing the tragedy to a head. The chase binds together the fraudulence of his life with the town's looming symbol of fate.
Where:Blackpool Tower
Who Are the Main Characters in Forbidden?
6 characters, among them Jim Harding (Douglass Montgomery), Jane Thompson (Hazel Court) and Diana Harding (Patricia Burke): who each one is and the part they play in the story. Every profile links to the actor’s page.
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Jim Harding (Douglass Montgomery)
Played by Douglass Montgomery
A trained chemist reduced to peddling potions at a fairground stall, Jim is intelligent and resourceful but emotionally trapped in a loveless marriage. He falls for Jane, keeping his wife Diana's existence a secret, which strains his loyalties. His drastic plan to kill Diana exposes a dangerous willingness to take extreme steps to escape his situation.
- 🧪 Chemist
- 💔 Unhappy marriage
- ❤️ Secret romance
- 🕵️♂️ Calculated
- JT
Jane Thompson (Hazel Court)
Played by Hazel Court
Jane is a warm-hearted, working-class candyfloss and ice cream seller who forms a genuine connection with Jim. She responds with integrity when faced with Diana's attempts to separate them, and she is determined not to be bought off. Her romance with Jim challenges social norms and reveals her strength and compassion.
- 💖 Romance
- 🏷️ Working Class
- 🍬 Candyfloss culture
- DH
Diana Harding (Patricia Burke)
Played by Patricia Burke
Diana is Jim's domineering wife, ambitious and unscrupulous in her pursuit of showbusiness. She manipulates others and engages in affairs to further her career, showing a ruthless pragmatism. Her dramatic arc ends with a death that exposes the fragility of reputations and the dangers of controlling others.
- 💼 Ambition
- 💬 Manipulative
- 🎭 Showbiz
- DC
Dan Collins (Ronald Shiner)
Played by Ronald Shiner
Dan is Jim's former army comrade who works with him at the fairground stall, sharing the burden of producing and selling potions. He is practical and loyal, helping Jim navigate their precarious livelihood. His role provides support for Jim's schemes and personal conflicts.
- 🤝 Loyal companion
- 🧪 Potion crafts
- 🌆 Fairground life
- JB
Jerry Burns (Garry Marsh)
Played by Garry Marsh
Jerry is an older, worldly lover of Diana who Diana believes can aid her theatrical ambitions. He represents a cynical, manipulative influence in Diana's schemes and adds tension to Jim's moral dilemma.
- 💼 Manipulative
- 👨🎤 Showbiz contact
- 🔗 Affairs
- IB
Inspector Baxter (Andrew Cruickshank)
Played by Andrew Cruickshank
Inspector Baxter is the diligent police officer investigating the disappearance and potential murder. He is perceptive and persistent, driving the investigation and pursuing the truth as Jim's alibi frays.
- 👮 Law enforcement
- 🕵️ Investigation
- 🧭 Pursuit
Where and When Is Forbidden Set?
Forbidden is set in Blackpool. Here is why the place matters to the story.
Where
Blackpool
Blackpool is a bustling seaside resort on England's northwest coast, famous for its amusements and fairgrounds. The film uses its promenade, candyfloss stalls, and the iconic Blackpool Tower to heighten romance and danger. The setting highlights a working-class town where dreams of show business collide with everyday survival.
- 🎡 Fairground culture
- 🏖️ Seaside town
- 🕰️ 20th century
What Are the Themes of Forbidden?
3 ideas the story keeps returning to, among them Affair, Crime and Marital Strife.
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01
Affair
Jim's clandestine relationship with Jane exposes the fragility of loyalty and the emotional stakes of love outside marriage. The affair unfolds against a loveless marriage to Diana, pushing Jim toward a dangerous decision. Jane's integrity contrasts with Jim's desperation, showing how affection can complicate loyalty and lead to risky choices. The affair acts as the spark that drives the plot and moral conflict.
-
02
Crime
Jim schemes to kill Diana by poisoning her with a lethal dose slipped into her medications. The plan backfires when Diana dies of natural causes, leaving Jim to conceal the body beneath the workshop floor. Police suspicion falls on Jim, turning private misery into public danger. The pursuit climbs to a climax near Blackpool Tower, where guilt and panic collide with justice.
-
03
Marital Strife
Diana's domineering nature and showbusiness ambitions fuel a volatile marriage marked by manipulation and control. Jim feels trapped, trying to navigate his duty to his wife, his love for Jane, and the threat of divorce. The private quarrel spills into the town's social sphere, inviting scrutiny and moral judgment. The story uses the marriage as the engine of tragedy, showing how jealousy and ambition distort choices.
What Kind of Film Is Forbidden?
Tense in tone, with steady pacing and a straightforward story, going by the plot summary.
- Tone
- Tense
- Pacing
- Steady
- Story
- Straightforward
- Intensity
- High
- Ending
- Sad
A tense and grim noir thriller that follows a desperate man's moral collapse, set against the moody backdrop of Blackpool as his ill-conceived plan spirals into inevitable tragedy.
- tense
- desperate
- moody
- anxious
- grim
- claustrophobic
- marital dissatisfaction
- adultery
- desperation
- attempted murder
Content notes: attempted murder, domestic strife, corpse disposal.
Quiz
How well do you remember Forbidden? Test yourself on the story.
