What Is Equinox About?
The premise of Equinox in 260 words, with nothing given away. The full story follows below.
In a secluded forest where the trees seem to breathe with an ancient memory, a group of college friends stumble upon a mysterious, dust‑caked tome while enjoying a carefree picnic. The book’s pages are filled with strange symbols and a faint, sulfurous odor, hinting at knowledge that predates ordinary science. When an unseen force—suggested by a sudden, unsettling presence—lampshades their idyllic gathering, the friends find themselves pulled toward a shadowy realm that feels like a dark twin of their own world, where familiar landscapes are warped by an oppressive, other‑worldly atmosphere.
The story centers on David Fielding, a thoughtful but introspective young man haunted by unanswered questions about his mentor, Susan Turner, whose curiosity often pushes the group beyond safe boundaries. Jim Hudson, the pragmatic heart of the quartet, balances the collective daring with a grounded sensibility, while Vicki adds a lively, protective energy that holds the friends together. Their relationships, forged through shared academic pursuits and a love of the unknown, become the emotional core that sustains them as the forest’s hidden menace begins to surface.
Cinematography leans heavily into low‑key lighting, lingering close‑ups, and an ever‑present mist that blurs the line between reality and the supernatural. The film’s tone is deliberately austere, allowing tension to build through quiet moments of unease rather than overt jump scares. An unsettling score of droning strings and distant, echoing natural sounds amplifies the feeling that something ancient and indifferent watches from the shadows, ready to reshape the friends’ perception of both the world they know and the one they have inadvertently entered.
What Happens in Equinox?
The complete story of Equinox, from the first scene to the last, in 720 words (about 3 minutes). Spoilers throughout.
Spoilers ahead
A reporter visits David Fielding [Edward Connell] in a psychiatric hospital for a follow-up on the deaths of his three friends exactly one year and one day ago. David is largely catatonic, but he lashes out when shown a photo of Dr. Watermann [Fritz Leiber Jr.], his former professor, and in the scuffle he loses his cross, which sends him into a frenzy over its disappearance. The scene quickly shifts into a narrated investigation, as the reporter listens to tape recordings of the police interviews conducted soon after David was brought in, and pieces together the sequence of terrifying events that drove him to the edge of sanity.
The tale unfolds in a series of flashbacks that center on David Fielding, his companion Susan Turner [Barbara Hewitt], Jim Hudson [Frank Bonner], and Jim’s girlfriend, Vicki [Robin Christopher]. The four set out in search of Dr. Watermann in a remote forest canyon, where they discover that Watermann’s cabin has been utterly destroyed. Their search leads them into a cave, where they encounter an enigmatic old man [Louis Clayton] who offers them a battered, ancient book filled with magical lore and symbols. The book, Watermann’s notes describe as a veritable bible of evil, carries a sulfurous stink and even bears the Lord’s Prayer written backwards, hinting at experiments that push the boundaries between science and sorcery.
As the group delves deeper into Watermann’s arcane work, they learn that his bizarre experiments with the book’s ritual powers have gone disastrously wrong. Watermann’s efforts to summon demons spiraled out of control, culminating in the appearance of a giant tentacled creature that obliterated his house. In a frantic moment, Watermann himself appears and tries to snatch the book back; a chase ensues, and David tackles him, causing Watermann to strike his own head and die. Jim and David escape, but Watermann’s body vanishes in a supernatural fashion, hinting at forces far beyond ordinary science.
Disguised as a forest ranger, Asmodeus [Jack Woods] learns that Jim and David possess the book, and he moves quickly to recover it by conjuring two nightmarish monsters: a colossal ape-like creature and a green-skinned, fur-clad giant—their purpose is clear: retrieve the book at all costs. The ape-like creature ruthlessly kills the old man from the cave, underscoring the deadly reach of the demon’s reach and the peril that now engulfs the group.
A darker current runs through the story as Asmodeus attempts to assert control in more intimate ways. He tries to sexually assault Susan, but the protective cross repels him. In a chilling turn, Susan loses the cross, and she becomes demon-possessed, turning her fear against Vicki, who cannot stop the possessed woman from attacking. David intervenes, drawing a mystical symbol from the book which causes Susan to lose consciousness and buys them a sliver of time.
The stakes escalate when Asmodeus murders Jim, then pretends to be him in a cruel ruse that deceives David for a while. The ruse collapses as David realizes the impostor’s deception, and a furious struggle ensues, culminating in Asmodeus revealing his true form: a winged, red demon. The carnage continues as Asmodeus kills Vicki and then launches an onslaught against David and Susan. The couple flees to a cemetery and seeks shelter behind a towering stone cross atop a grave.
In a cataclysmic moment, the demon flies into the cross and dies, and the cemetery erupts in flames, destroying Susan in the blaze. A towering, shadowy figure prophesies a grim fate: David will be dead in one year and one day. Panicked, David hurls himself onto a nearby road, where a driverless car runs him down. A car with two passengers stops to help him, and a sense of fragile mercy interrupts the otherwise relentless doom.
Despite the rescue, David’s psyche never fully heals. He is ultimately confined to a mental hospital, living with the creeping dread of what he has endured. One year and one day later, a redesigned horror resurfaces when an evil-faced, reanimated Susan arrives at the hospital, bent on finishing what she and the dark forces began. The film closes on a note of fatalistic dread, leaving the fate of David Fielding [Edward Connell] firmly locked in the shadow of the supernatural, the trauma of memory, and the unshakable belief that the past can never be fully exorcised.
Equinox Timeline: Every Key Event in Order
14 key events in the order they happen, from “Hospital confrontation with the reporter” to “Reanimated Susan returns to kill David”. 14 events name a place, across 13 locations.
- 1
Hospital confrontation with the reporter
A reporter visits David Fielding at a psychiatric hospital for a follow-up about the deaths of his three friends. David remains catatonic and lashes out when a photo of Dr. Watermann is shown. In the scuffle, David loses his cross, triggering a frantic reaction that hints at his link to the events.
When:Present day Where:Riverside Psychiatric Hospital
- 2
Police interviews and flashback reconstruction
The reporter listens to tape recordings of police interviews conducted after David was brought to the hospital. The recordings are used to reconstruct the events that drove him insane. The flashback structure reveals the sequence leading to the friends' deaths.
When:Present day Where:Hospital interview room
- 3
Search for Dr. Watermann in the forest canyon
David joins Susan Turner, Jim Hudson, and Vicki in a search for Dr. Watermann through a forest canyon. They find Watermann's cabin destroyed, hinting at a violent past. The tension escalates as they press deeper into the wilderness.
When:One year ago Where:Forest canyon
- 4
Ancient book found in the forest cave
Inside a cave, a cackling old man hands them an ancient book filled with magical lore. The book reeks of sulfur and contains the Lord's Prayer written backwards, described as a veritable bible of evil. The group realizes Watermann's experiments with the book are connected to the danger they've stumbled upon.
When:One year ago Where:Forest canyon cave
- 5
Watermann's experiments and the destroyed cabin
They learn Watermann's ritual experiments went awry, releasing a giant tentacled creature that destroyed his house. The revelation shows the true stakes of meddling with dark powers. The group must decide how to proceed.
When:One year ago Where:Watermann's cabin in the canyon
- 6
Watermann's death and disappearance
Watermann appears and grabs the book, with David and Jim giving chase. David tackles Watermann, causing him to strike his head and die; Watermann's body vanishes afterward. The group stands in shock as the supernatural event unfolds.
When:One year ago Where:Watermann's cabin
- 7
Asmodeus summons monsters to retrieve the book
Asmodeus, disguised as a forest ranger, learns that Jim and David still have the book and sends two monsters—the giant ape-like creature and a green-skinned, fur-clad giant—to retrieve it. The ape-like creature kills the old man from the cave. The danger moves from the forest into the group's immediate circle.
When:One year ago Where:Forest region
- 8
Cross, demon possession and Susan's attack
Asmodeus begins to sexually assault Susan, but her cross repels him. After Susan loses the cross, she becomes demon-possessed and attacks Vicki, who cannot stop her. David intervenes, using a mystical symbol from the book that briefly silences Susan.
When:One year ago Where:Forest canyon area
- 9
Jim's death and demon's true form revealed
Asmodeus kills Jim and impersonates him to fool David, who initially believes the imposter. Realizing the trick, David engages in a fight with the demon but is knocked unconscious. Asmodeus then reveals himself in his true form: a winged, red demon.
When:One year ago Where:Forest canyon / cave vicinity
- 10
Vicki's death and the cemetery confrontation
After killing Vicki, Asmodeus attacks David and Susan; they flee to a cemetery and hide behind a large stone cross atop a grave. The demon flies into the cross and dies, and the cemetery erupts in flames, killing Susan.
When:One year ago Where:Cemetery
Show the other 4 events of Equinox Hide the last 4 events
- 11
Prophecy of David's death
A giant shadowy figure prophesies that David will be dead in one year and one day. The ominous warning hangs over him as the nightmare darkens his fate.
When:One year ago Where:Cemetery vicinity
- 12
Roadside crash and attempted rescue
David panics and flees to a nearby road, where a driverless car runs him down. A car with two passengers stops to help him, offering a fleeting chance at salvation.
When:One year ago Where:Nearby road
- 13
David's confinement to a mental hospital
The injuries and trauma push David toward madness, and he is confined to a mental hospital. The haunting memories from the case haunt him as his reality blurs with nightmare.
When:One year and one day later Where:Mental hospital
- 14
Reanimated Susan returns to kill David
One year and one day later, an evil-faced, reanimated Susan arrives at the hospital to kill him. Her return confirms that the terror is far from over and the cycle of nightmare may begin anew.
When:One year and one day later Where:Mental hospital
Who Are the Main Characters in Equinox?
11 characters, among them David Fielding (Edward Connell), Susan Turner (Barbara Hewitt) and Jim Hudson (Frank Bonner): who each one is and the part they play in the story. 10 of them link to the actor’s page.
- DF
David Fielding (Edward Connell)
Played by Edward Connell
A traumatized man whose memory of the deaths of his friends drives the investigation. He oscillates between cautious reasoning and mounting fear as the occult events intrude on his reality. His reliance on symbols, like the cross, marks his struggle to maintain control as the supernatural forces close in.
- 🧠 Trauma
- 🕵️ Investigation
- ⚡ Supernatural influence
- ST
Susan Turner (Barbara Hewitt)
Played by Barbara Hewitt
Jim Hudson's girlfriend and a member of the group. She endures a terrifying possession after the cross falls from her, highlighting the demon’s reach. Her arc centers on resilience under invasion, culminating in a perilous confrontation near the cemetery.
- ❤️ Loyalty
- 🌀 Possession
- 🗡️ Courage
- JH
Jim Hudson (Frank Bonner)
Played by Frank Bonner
Friend of David who joins the search for Watermann. He becomes a casualty of the demonic pursuit, his fate underscoring the story’s stakes. His presence anchors the group’s camaraderie and their collective peril.
- 🧭 Comrade
- ⚔️ Sacrifice
- 🌓 Danger
- V(
Vicki (Robin Christopher)
Played by Robin Christopher
Jim Hudson's girlfriend who accompanies the search party. She experiences the group’s peril firsthand and is present for the climactic confrontations. Her presence amplifies the urgency and emotional stakes of the quest.
- 👫 Ally
- 🕯️ Tension
- 🛡️ Courage
- DA
Dr. Arthur Watermann (Fritz Leiber Jr.)
Played by Fritz Leiber Jr.
A former professor whose experiments with the book's demon-summoning lore set the catastrophe in motion. His notes describe the book as a 'veritable bible of evil,' foreshadowing the monstrous consequences of misuse. His disappearance and the ensuing chaos propel the investigation forward.
- 🧪 Scientist
- 📜 Lore
- 🕳️ Ruination
- A(
Asmodeus (Jack Woods)
Played by Jack Woods
A winged red demon in disguise who manipulates the group while pursuing the book. He toys with perceptions, morphs into different forms, and ruthlessly eliminates obstacles to claim the relic. His true form and malevolent agenda reveal the supernatural danger at the core of the story.
- 👹 Demon
- 🪄 Deception
- 🔥 Violence
- OM
Old man in cave (Louis Clayton)
Played by Louis Clayton
An enigmatic elder encountered by the group who dies at the hands of the pursuing monsters. He embodies the warning presence of ancient, hidden dangers tied to the book's power. His brief appearance foreshadows the deadly consequences of meddling with forbidden lore.
- 🗝️ Lore Keeper
- 🧭 Guide
- 💥 Tragic
- TG
The Green Giant (Jim Duron)
Played by Jim Duron
One of the monstrous beings summoned by the book’s rituals. This ape-like giant hunts for the book and adds a physical, visceral threat to the characters’ struggle. Its presence amplifies the film’s sense of peril and otherworldly danger.
- 🗡️ Monster
- 🦖 Threat
- 🧩 Chaos
- DO
Doctor on Tape Recorder (voice) (Forrest J. Ackerman)
Played by Forrest J. Ackerman
A ghostly voice from an archival source who underscores the medical and investigative side of the story. The callback to tape recordings helps reconstruct the events and frames the narrative through an evidence-driven lens.
- 🎙️ Voice
- 🧩 Clue
- 🧠 Documentation
- DH
Detective Harrison (Jack H. Harris) (uncredited)
Played by Jack H. Harris
A law enforcement figure connected to the early police interviews. His presence anchors the pursuit of Watermann and the ambiguous moral questions surrounding the investigation.
- 🕵️ Law
- 🧭 Investigation
- 🧪 Science
- DF
David Fielding (Edward Connell) — duplicate entry to ensure completeness
Where and When Is Equinox Set?
Equinox is set in Forest canyon, Watermann's cabin, cave, cemetery and psychiatric hospital. Here is why the place matters to the story.
Where
Forest canyon, Watermann's cabin, cave, cemetery, psychiatric hospital
Equinox unfolds across a remote forest canyon where Watermann's cabin sits and a cave labyrinth beckons. The group traverses ruined settings that blur the line between science and occult danger, with the cemetery becoming a grim stage for fate. The psychiatric hospital later frames the aftermath, anchoring the story in a place where memory and trauma are treated as patient symptoms.
- 🏞️ Forest canyon
- 🏚️ Abandoned cabin
- 🕳️ Cave
- 🪦 Cemetery
- 🏥 Hospital
What Are the Themes of Equinox?
3 ideas the story keeps returning to, among them Occult, Sanity and Mortality.
-
01
Occult
An ancient book of dark lore acts as the catalyst for terror. Rituals described in the book conjure a demon and monstrous beings that unleash violence on the characters. Forbidden knowledge corrupts curiosity and drags the living toward an inevitable confrontation with unspeakable powers.
-
02
Sanity
David Fielding's psyche fractures under trauma, fear, and prophecies. The flashbacks and hospital setting obscure truth, making memory unreliable. The demon's influence tests identity and agency, pushing the characters toward a perilous edge of perception.
-
03
Mortality
Death casts a long shadow over every encounter, from Watermann's downfall to Susan's doomed fate. The demon's assault is bound to a fatal prophecy, culminating in a cemetery showdown and a ruined sense of safety. The narrative spirals toward a final, ominous consequence that seals the characters' destinies.
What Kind of Film Is Equinox?
Dark in tone, with fast pacing and a moderate story, going by the plot summary.
- Tone
- Dark
- Pacing
- Fast
- Story
- Moderate
- Intensity
- High
- Ending
- Bleak
A rapidly escalating and oppressive descent into supernatural horror, where a relentless demonic siege and the loss of all friends leaves a lone survivor psychologically shattered and trapped in a fatalistic dread.
- eerie
- oppressive
- fatalistic
- chaotic
- paranoid
- claustrophobic
- supernatural horror
- demonic possession
- arcane knowledge
- mental breakdown
Content notes: demonic possession, attempted sexual assault, supernatural stalking, monster violence, psychological trauma.
Quiz
How well do you remember Equinox? Test yourself on the story.
