What Is The Asphyx About?
The premise of The Asphyx in 264 words, with nothing given away. The full story follows below.
In the mist‑shrouded streets of late‑Victorian London, a world of fog‑filled laboratories and hushed societies thrives on the thin line between science and the supernatural. Within this atmosphere of gas‑lit curiosity, Sir Hugo Cunningham stands out—a brilliant, respected physician whose reputation is built on careful experimentation and a genteel devotion to his family. The era’s fascination with spiritualism has birten a parapsychological circle that records the final moments of life, capturing on film an enigmatic blur that seems to hover over the dying.
When Hugo reviews the images, the apparition—an undefined smudge that appears at the instant of death—stokes a relentless obsession. Skeptical of mystical explanations, he proposes a cold, rational hypothesis: the blur might be a tangible force, a “personal reaper” that could, if understood, be restrained. The notion that such a force could be mastered hints at the ultimate promise of immortality, a prospect that begins to eclipse his devotion to the scientific method and the comforts of home.
The film immerses viewers in a tone that blends gothic dread with the earnest optimism of a man who believes knowledge can conquer even the most intimate of human limits. As Hugo delves deeper, his relationships—with his supportive wife, his adopted brother Giles, and his sister‑in‑law Christina—become strained by the allure of a discovery that threatens to demand the very things he holds dear. The story pulses with the tension of a mind poised on the brink of revelation, inviting the audience to wonder how far a scientist will go when the promise of eternal life glitters just beyond the veil of death.
What Happens in The Asphyx?
The complete story of The Asphyx, from the first scene to the last, in 652 words (about 3 minutes). Spoilers throughout. Names in the text link to 1 cast member page.
Spoilers ahead
In Victorian England, a philanthropic scientist, Sir Hugo Cunningham, Robert Stephens, sits at the heart of a parapsychological society that tests psychic phenomena. Their latest project involves photographing people at the moment of death, and the resulting images reveal a strange smudge hovering around the body. While the group regards this as evidence of the soul leaving the body, Cunningham remains skeptical, craving a cold, scientific explanation for what they’re seeing.
At a riverside party celebrating his son’s engagement, Cunningham films with a camera of his own invention. The celebration turns tragic when his son and the son’s fiancée die in a boating accident. When Cunningham reviews the footage, he notices that the blur not only accompanies his son but moves toward him as if drawn in rather than released. He concludes that the blur is not a soul but a looming force he terms an asphyx — a personal Grim Reaper reputed in Greek mythology, which arrives for each person at the moment of death. This radical interpretation sets him on a perilous quest to trap and control mortality itself.
While filming a public execution, Cunningham activates a spotlight of his own design — phosphorus stones fed beneath a drip irrigation valve. Watching the film again with Giles Cunningham, the adopted son of Sir Hugo, and Christina, his adoptive sister, they observe that the condemned man’s asphyx was briefly held in the beam. Cunningham theorizes that a specific energy released by the combination of phosphorus and water can suspend an asphyx. If correct, this discovery could allow a person to become immortal so long as their asphyx remains imprisoned.
Cunningham and Giles manage to capture the asphyx of a dying guinea pig and seal it within the family tomb. Seeing a path to true immortality, Cunningham tasks Giles with helping him capture his own asphyx. He orders the construction of an impenetrable vault door on the family tomb and instructs Giles to seal the asphyx inside so no one can ever release it. To summon his own asphyx, Cunningham subjects himself to a deadly experiment using an electric chair. Yet Giles has only experience in trapping asphyxes with two people, and he relies on Christina, his adoptive sister, to help with the experiments. Christina is horrified by the procedures but agrees to participate when Cunningham offers to bless a marriage between her and Giles if they allow him to make them immortal.
The plan hinges on the notion that imminent death can summon an asphyx. To trigger the effect, Christina is placed under a guillotine operated by Giles. Disaster strikes when the guinea pig gnaws through a hose feeding water to the phosphorus stones, causing a malfunction. Christina is decapitated in the ensuing chaos. Grief-stricken, Cunningham begs Giles to open the vault and free the asphyx, but Giles has his own terms: immortality first. In truth, he no longer wishes to live without Christina and sabotages the equipment. As Cunningham attempts to gas Giles to force the summoning of the asphyx, he discovers the apparatus won’t work. He switches off the gas and introduces oxygen instead, hoping to save Giles. A match lights an explosion that destroys the machinery and kills Giles, ending the immediate danger but leaving behind a ruined dream.
Cunningham then destroys the vault’s access code, deciding that immortality has already become God’s punishment for the deaths of Giles and Christina. In a stark framing sequence set in the 1970s, a deformed and aging Cunningham roams the streets of London with the guinea pig. He walks into the path of a car collision that kills both drivers, yet a responding police officer is astonished to find Cunningham, crushed beneath the wreckage, still alive.
This tale intertwines obsession, science, and the peril of playing with mortality, tracing a descent from measured inquiry to a catastrophic moral reckoning as the relentless pursuit of immortality backfires in the most irreversible way.
The Asphyx Timeline: Every Key Event in Order
12 key events in the order they happen, from “Cunningham and the parapsychology circle” to “1970s framing: the aging Cunningham reappears”. 12 events name a place, across 7 locations.
- 1
Cunningham and the parapsychology circle
In Victorian England, philanthropic scientist Sir Hugo Cunningham is a member of a parapsychological society that studies psychic phenomena. The group photographs people at the moment of death, capturing a strange smudge around the body. They interpret it as the soul escaping, though Cunningham remains skeptical about the interpretation and its implications.
When:Late 19th century Where:Victorian England
- 2
Tragic boating accident during son's engagement celebration
At a riverside party celebrating his son's engagement, Cunningham films his son and his fiancée with his home camera. A boating accident kills the young couple, and when Cunningham reviews the film, the blur seems to move toward his son rather than away from him. He concludes the blur is not the soul but a stalking asphyx that comes for each person at death.
When:Late 19th century Where:Riverside
- 3
The spotlight experiment and the asphyx theory
While filming a public execution, Cunningham activates a phosphorus spotlight beneath a drip irrigation valve. The condemned man's asphyx is briefly held in the beam, suggesting to him that the energy from phosphorus and water can immobilize an asphyx. This leads him to speculate that such a property could imprison an asphyx and grant immortality.
When:Late 19th century Where:Public execution site
- 4
First capture: the guinea pig's asphyx stored in the tomb
Cunningham and Giles capture the asphyx of a dying guinea pig and seal it inside the family tomb. The act demonstrates the possibility of imprisoning an asphyx, fueling Cunningham's plan to trap his own elusive force. The implication is that immortality could be achieved by perpetual confinement.
When:Late 19th century Where:Family tomb
- 5
Planning for personal immortality: vault construction
Cunningham commissions an impenetrable vault door for the family tomb and tasks Giles with capturing Cunningham's own asphyx. The plan hinges on maintaining a secure prison for the asphyx so that no one can free or destroy it. It marks the transition from observation to dangerous experimentation.
When:Late 19th century Where:Family tomb
- 6
Self-experimentation: the electric chair rite
Using an electric chair, Cunningham slowly kills himself to summon his own asphyx. Giles assists him, and Christina, the adoptive sister and fiancée, agrees to participate when Cunningham promises to bless their marriage if immortality is granted.
When:Late 19th century Where:Laboratory
- 7
Christina placed on the guillotine; moment of death
Christina is placed on a guillotine operated by Giles, in line with Cunningham's theory that imminent death will summon an asphyx. The guinea pig chews through a hose feeding water to the phosphorus stones, causing the mechanism to malfunction and Christina is decapitated. The tragedy foreshadows the dangerous consequences of their pursuit.
When:Late 19th century Where:Laboratory / Guillotine setup
- 8
Giles negotiates immortality and sabotages the apparatus
Despondent, Cunningham asks Giles to open the vault and free the asphyx, but Giles makes a counter-demand for immortality. In truth, Giles no longer wishes to live, and he sabotages the equipment to prevent its operation. This sets up the conflict that drives the final act.
When:Late 19th century Where:Laboratory
- 9
Failed gas attempt and the struggle to save Giles
During an attempt to gas Giles to force the release of the asphyx, Cunningham discovers the apparatus is not functioning. He quickly turns off the gas and switches on the oxygen to try to save Giles. The moment underlines that the plan is failing and that unpredictable consequences lie ahead.
When:Late 19th century Where:Laboratory
- 10
Giles's fatal spark: the explosion that ends the experiment
Giles, in a final act, lights a match and triggers a catastrophic explosion. The blast kills him and destroys all of the equipment required to capture asphyxes. Cunningham is left to confront the ruined dream of immortality as the apparatus lies in ruins.
When:Late 19th century Where:Laboratory
- 11
Destruction of the vault key and a grim resolution
Before dying, Giles had left the vault's combination on a slip of paper. Cunningham destroys the note, resolving that his own immortality is God's punishment for the deaths of Giles and Christina. The act marks the final rupture of the immediate plan to achieve immortality.
When:Late 19th century Where:Family tomb
- 12
1970s framing: the aging Cunningham reappears
In a framing sequence set in the 1970s, an ancient, disfigured Cunningham roams the streets of London with the guinea pig. He wanders into the path of a car collision, killing the two drivers. A police officer responding to the scene is shocked to find that Cunningham, crushed beneath the two vehicles, is still alive.
When:1970s Where:London streets
Who Are the Main Characters in The Asphyx?
3 characters, among them Christina Cunningham (Jane Lapotaire), Sir Hugo Cunningham (Robert Stephens) and Giles Cunningham (Robert Powell): who each one is and the part they play in the story. Every profile links to the actor’s page.
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Christina Cunningham (Jane Lapotaire)
Played by Jane Lapotaire
Christina is Giles's fiancée and adoptive sister who reluctantly participates in her fiancé's plan to help his father achieve immortality. She grapples with the ethical implications of the experiments and the chilling methods used to imprison the asphyx. Her involvement shows the personal cost of ambition and the fragile line between loyalty and moral clarity.
- 💞 Loyal
- 🧭 Ethical conflict
- SH
Sir Hugo Cunningham (Robert Stephens)
Played by Robert Stephens
A philanthropic scientist and leader of a parapsychological circle, Hugo is driven by a fierce belief that death can be mastered. His clinical detachment and relentless experimentation reveal dangerous hubris as he attempts to harness the asphyx for immortality. His plans unravel when loyalty and reality collide, leaving him to face the consequences of his creations.
- 🧠 Intelligent
- 🔥 Obsessive
- ⚖️ Reckless
- GC
Giles Cunningham (Robert Powell)
Played by Robert Powell
Giles is the Cunningham family's loyal but morally complex heir who assists his father and Christina in the death-imprisoning experiments. He values love and commitment, yet his desperation leads him to sabotage the equipment to secure immortality for himself and Christina. His actions catalyze the story's tragedy and his own demise.
- 🧩 Calculated
- 💞 Loyal
- 🧭 Desperate
Where and When Is The Asphyx Set?
The Asphyx is set in London, Victorian England and Cunningham family tomb (Victorian era and 1970s framing sequence). Here is why the time and place matter to the story.
When
Victorian era and 1970s framing sequence
The core narrative is set in late-19th-century Victorian England, a period of scientific curiosity and superstition. The events unfold within a grand estate, its lab, and the family tomb, emphasizing the era's appetite for life-and-death experiments. A later framing segment in 1970s London reveals the long shadow cast by these pursuits and how the past keeps returning.
Where
London, Victorian England, Cunningham family tomb
Set primarily in London during the late 19th century, the film unfolds amid gaslit streets, a scholarly milieu, and a family tomb. Locations range from Sir Hugo's estate and laboratory to the Cunningham family mausoleum, underscoring the ritual and secrecy surrounding the experiments. A framing sequence later shifts to 1970s London, highlighting the lasting consequences of the pursuit of immortality.
- 🏛️ Victorian England
- 🗺️ London
- 🕯️ Gothic atmosphere
What Are the Themes of The Asphyx?
3 ideas the story keeps returning to, among them Immortality, Death and Ethics.
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01
Immortality
Immortality is the driving force behind the experiments, a fantasy that treats death as a solvable problem. Sir Hugo's push to imprison the asphyx illuminates the dangerous belief that time can be conquered without ethical consequence. The pursuit exposes the fragility of humanity when time is extended without limits.
-
02
Death
Death functions as both object of study and an ever-present threat that haunts the characters. The asphyx embodies the fear of dying and the desire to control it, turning mortality into a trap and a weapon. The sequence of deaths—the guinea pig, Christina, and others—drives the tragedy and moral cost.
-
03
Ethics
Ethical boundaries are neglected in the name of progress, with consent and humanity sidelined for immortality. Christina's reluctant involvement and Giles's sabotage reveal competing loyalties and deep moral ambiguity. The narrative asks whether scientific ambition can justify the ruin it leaves behind.
What Kind of Film Is The Asphyx?
Dark in tone, with steady pacing and a moderate story, going by the plot summary.
- Tone
- Dark
- Pacing
- Steady
- Story
- Moderate
- Intensity
- High
- Ending
- Bleak
A grim and morally complex gothic horror that methodically charts a scientist's obsessive descent into madness as his pursuit of immortality leads to tragic consequences and a bleakly ironic punishment.
- gothic
- obsessive
- macabre
- tragic
- scientific horror
- philosophical dread
- immortality
- scientific hubris
- grief and loss
- moral decay
Content notes: graphic death, decapitation, human experimentation, fatal accidents, prolonged suffering.
Quiz
How well do you remember The Asphyx? Test yourself on the story.
