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The Heretics

The Heretics 2017

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The Heretics Plot Summary

Read the complete plot summary and ending explained for The Heretics (2017). From turning points to emotional moments, uncover what really happened and why it matters.


Gloria, Nina Kiri, is kidnapped by a cult that gathers under a looming locust moon, staging a chilling occult ritual behind grotesque masks before sealing the night with suicide. Five years pass, and a traumatized Gloria lives with her mother Ruth, Nina Richmond, slowly learning to cope with what she endured while the memory of that night lingers like a bruise she can’t quite shake.

She begins attending a therapy group at her local church, accompanied by her lover Joan, Jorja Cadence, who hints that she has something special planned for their anniversary the next day. The tension tightens as Gloria’s fragile sense of safety keeps slipping away, and the shadow of the past creeps closer to the present.

Then Gloria is kidnapped again, this time by Thomas, Ry Barrett, a man whose face is hideously scarred by fire, and he takes her to a remote cabin in the countryside. Joan launches an increasingly frenetic search for Gloria, even threatening a man with a knife when he seems indifferent to the disappearance. A police officer learns of Joan’s violent behavior and suspects she was involved, which leads Joan to kill both him and the inconvenient witness Ruth, severing any chance of a straightforward rescue.

Thomas explains that he was one of the cultists five years ago, and that he faked his suicide to protect Gloria from the remaining members who intend to finish the ritual under the coming locust moon. The cultists believe they have implanted the demon Abaddon, the “Taker of Souls,” within Gloria, and that it has been growing inside her for years. As the moon rises, Gloria’s health deteriorates and visions of Abaddon intensify, while strange, malevolent phenomena fill the cabin. The transformation is physical as well as mental: Gloria begins to grow wings, and Thomas comes to fear that she is truly becoming Abaddon, even contemplating killing her to end the horror before it’s too late.

The truth about the cult’s leadership finally comes to light: Joan is the mastermind, but Thomas reveals that Joan is actually his sadistic sister Gwendolyn, who scarred him with fire. Gloria’s metamorphosis continues, and she starts speaking in the voice of Abaddon, declaring that she will kill Thomas first and claim his soul for hell. Gwendolyn learns from a witness that the kidnapper bore a scarred face, deduces it was Thomas, and heads to the cabin to strike a final, brutal ritual. Thomas overpowers her, kills Gwendolyn, and drags a seemingly dead Gloria outside as the sun begins to rise.

Gloria then revives, and in the voice of Abaddon, turns on Thomas with a ferocity that cannot be denied, vowing to take his soul to hell as the dawn light spills over the cabin and the two souls engage in a final, lethal confrontation.

The Heretics Timeline

Follow the complete movie timeline of The Heretics (2017) with every major event in chronological order. Great for understanding complex plots and story progression.


Five years later: Gloria's slow recovery

Five years after her kidnapping, Gloria is living with her mother Ruth and slowly coming to terms with what happened. She attends a therapy group at a local church to work through her trauma, often accompanied by her partner, Joan. The memory of the cult ritual still shadows her daily life.

Five years after the kidnapping Home (with Ruth) and local church

Therapy and companionship

Gloria participates in the therapy group at the local church and begins to share fragments of her experience. Her relationship with Joan deepens as they plan a future together. The group helps her feel slightly safer, even as memories linger beneath the surface.

Present-day, during therapy Local church

Anniversary plan

Joan tells Gloria she has something special planned for their anniversary the next day, hinting at a moment of respite from the trauma. Gloria vacillates between hope and fear, trying to hold onto normalcy. The promise underscores the fragile balance of their relationship.

The day before the anniversary Church/therapy group setting

Kidnapping to a remote cabin

Gloria is abducted by Thomas, a man with a scarred face, and taken to a remote cabin in the countryside. The isolation heightens the sense of dread as the world seems to shrink around her. Thomas reveals little at first, but the plan behind the kidnapping becomes increasingly clear.

Night before the anniversary Remote cabin in the countryside

Joan's frantic search and violence

Joan launches an increasingly frenetic search for Gloria and confronts a man who seems indifferent to the kidnapping. The confrontations demonstrate how far she is willing to go to uncover the truth. The crisis escalates and the danger to Gloria deepens.

Shortly after the kidnapping City streets

Investigation and killings

A police officer investigating Joan's violent behavior suspects she is involved in Gloria's kidnapping. In a brutal turn, Joan kills the officer and the witness Ruth, removing obstacles to her cover story. The double murder solidifies the danger surrounding Gloria’s whereabouts.

Soon after the investigation begins Police precinct and Ruth's location

Thomas's reveal

Thomas tells Gloria that he was one of the cultists who had kidnapped her five years earlier, and he explains his motive to protect her. He admits he feigned suicide to cover the cult’s tracks and that the remaining cultists still plan to finish the ritual under the coming locust moon. He confirms that the cult believed Abaddon was implanted in Gloria's body.

During the current captivity, referencing events five years earlier Cabin

Locust moon and first signs of metamorphosis

Under the light of the locust moon, Gloria becomes seriously ill and begs Thomas to take her to a hospital. Both Gloria and Thomas experience visions of Abaddon, while ominous signs suggest a malevolent force is present in the cabin. The strain of the night pushes Gloria toward a terrifying transformation.

Locust moon night Cabin

Gloria's wings and the killer instinct

As the metamorphosis progresses, Gloria grows wings and begins to speak in the voice of Abaddon. Thomas contemplates killing her to prevent the full transformation, torn between protecting her and fearing what she may become. The line between victim and vessel blurs as fear takes hold.

Locust moon night Cabin

Twist: Joan is the cult leader

Gloria learns that Joan is actually the leader of the cult who kidnapped her. The revelation reframes the entire arc of her trauma and sets up the final clashes. Thomas explains that Joan's true identity is his sadistic sister Gwendolyn, who scarred him with fire.

During captivity Cabin

Gwendolyn's ritual attempt

Gwendolyn arrives at the cabin, having learned from a witness that Gloria's kidnapper had a scarred face and deducing it was Thomas. She knocks out Thomas, taunts Gloria's increasingly degenerating form, and begins to perform an occult ritual. The escalating confrontation heightens the sense that time is running out for Gloria.

After the revelation Parents' cabin

Escape, fight, and dawn

Thomas breaks free, kills Gwendolyn, and carries a seemingly dead Gloria outside as the sun rises. Gloria revives and, in Abaddon's voice, declares she will take his soul to hell before attacking him. The final confrontation culminates in a brutal struggle between the human world and Gloria's monstrous transformation.

Sunrise after the struggle Outside the cabin, at dawn

The Heretics Characters

Explore all characters from The Heretics (2017). Get detailed profiles with their roles, arcs, and key relationships explained.


Gloria — Nina Kiri

A traumatized survivor who has spent years in therapy after being kidnapped by a cult. Her psyche is tested as she begins to metamorphose under the influence of a demonic entity, forcing a struggle between humanity and transformation. Her empathy and humanity, once her protection, become targets as she teeters on the edge of becoming Abaddon.

🫀 Trauma 🧭 Identity 💪 Resilience

Joan — Jorja Cadence

The enigmatic leader of the cult who orchestrates Gloria's abduction and masks her cruelty with charisma. Her authority is challenged as the truth about her sister Gwendolyn is revealed and as she escalates violence to maintain control.

🧭 Manipulation 🕯️ Cult Leader ⚔️ Violence

Thomas — Ry Barrett

A scarred former cult member who claims to act to protect Gloria from the remaining cultists. He becomes entangled in the family vendetta and ultimately confronts Joan's sister and the expanding ritual.

🔥 Scarred 🧭 Loyalty 🔪 Survivor

Ruth — Nina Richmond

Gloria's mother, a witness to the abduction, who becomes a target in Joan’s violent pursuit to bury the truth. Her fate marks a turning point in Gloria's struggle and the strain of maternal protection.

🫀 Trauma 🧭 Family 💔 Loss

Abaddon — Austin Duffy

The demon-like force known as Abaddon, which has supposedly been implanted in Gloria. The entity manifests through visions and an increasingly inhuman appearance, driving the horror and tension of the climax.

🪞 Supernatural 🧭 Transformation ⚡ Power

Officer Carter

A law enforcement officer who becomes suspicious of Joan’s violent behavior and is killed as the investigation intensifies.

🕯️ Authority ⚔️ Violence

The Heretics Settings

Learn where and when The Heretics (2017) takes place. Explore the film’s settings, era, and how they shape the narrative.


Time period

Present day, five years after the kidnapping

The events unfold in a contemporary setting. The narrative centers on Gloria’s trauma and slow recovery after she was abducted by a cult five years earlier, with the locust moon motif signaling a looming climax.

Location

Remote countryside cabin, Local church

The story shifts between a remote countryside cabin where Gloria is held and the local church where she attends a therapy group. The cabin provides isolation and a menacing atmosphere during the occult ritual, while the church setting anchors Gloria’s recovery and social support.

🏞️ Rural countryside 🏚️ Remote cabin ⛪ Church setting

The Heretics Themes

Discover the main themes in The Heretics (2017). Analyze the deeper meanings, emotional layers, and social commentary behind the film.


🫀

Trauma

Gloria’s arc is defined by the lasting impact of the kidnapping. Therapy groups, family tensions, and fraught relationships reveal how memory, fear, and guilt shape behavior. The film emphasizes how trauma can warp identity while also exploring resilience and the possibility of healing.

🕯️

Cult Power

The cult’s rituals and manipulation demonstrate how belief systems can exert control through secrecy, fear, and ritual symbolism. The leadership dynamics—culminating in Joan’s dominance and the revelation of her sister’s cruelty—drive the tension and moral ambiguity.

🪞

Identity

Gloria’s transformation into an inhuman form challenges the boundary between victim and vessel. The narrative investigates how external forces and inner voices shape who she is, and whether she can retain humanity while exposed to Abaddon’s influence.

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The Heretics Spoiler-Free Summary

Discover the spoiler-free summary of The Heretics (2017). Get a concise overview without any spoilers.


In a remote, moon‑lit countryside the ordinary world cracks open to something ancient and unsettling. Gloria lives still haunted by a night she can barely remember, and the quiet of her small town is colored by the lingering whisper of a cult that once tore through the darkness. The film settles into a tension‑laden atmosphere where everyday life feels thin, and every shadow hints at a presence that refuses to be ignored.

When a scarred stranger appears, convinced that the cult continues to stalk her, he takes Gloria to an isolated cabin with only the promise of sunrise as a deadline. His frantic urgency creates a fragile alliance, a desperate attempt to hold her safe against forces that seem both unseen and inevitable. The cramped space, the cold night air, and the ever‑approaching dawn lend the story a claustrophobic rhythm that keeps the audience hovering between hope and dread.

Outside, Gloria’s loved ones—her mother, her partner—race against time, their search a stark contrast to the uneasy stillness within the cabin. Their growing anxiety mirrors the unsettling change beginning inside Gloria herself, an illness that feels less like a fever and more like a metamorphosis. The film leans heavily on mood, using muted colors, lingering sound design, and tight framing to amplify the sense that something is shifting beneath the surface.

The result is a slow‑burning horror that balances intimate character moments with a pervasive sense of the uncanny. As the night deepens, the audience is left with a lingering question: what will become of the girl caught between a protective captor, an unseen cult, and a transformation that may rewrite the very nature of who she is?

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