Undertone Movie Review – The house is almost silent. The ticking of a clock echoes through the hallway as Evy sits beside her dying mother, known simply as Mama. Undertone Movie Review – Her breathing is slow and labored, while religious paintings of Jesus and Mary watch quietly from the walls.
For weeks—possibly months—Evy has been caring for her mother during her final days. She whispers gentle reminders: Eat, Mama. Drink, Mama. But there is rarely a response. The silence feels heavy, uncertain, and almost supernatural.
But around 3 a.m., that silence breaks.
That’s when Evy puts on her headphones, turns on a microphone, and begins recording a podcast with her friend Justin in London—unpacking eerie, real-life horror stories that blur the line between reality and the supernatural.
What begins as a late-night storytelling routine soon spirals into something far darker.
Undertone Release Date & Platform (2026)
The horror film Undertone is scheduled to release in theaters on March 13, 2026, distributed by A24. The movie first premiered at the Fantasia International Film Festival in July 2025 and later received a wide theatrical release in the United States and Canada. Streaming availability is expected after the theatrical run.
Undertone Movie Review –Plot Breakdown
Evy and Justin host a podcast where they analyze unsettling supernatural recordings submitted by listeners.
- Justin is the believer—open to ghosts, demons, and unexplained phenomena.
- Evy plays the skeptic, attributing strange occurrences to logical explanations such as faulty plumbing or old architecture.
Their dynamic works well—until one night they receive ten mysterious audio recordings from an anonymous sender.
Curious and intrigued, they decide to play all ten recordings back-to-back during a live session so their audience can listen along.
But as the recordings unfold, disturbing patterns begin to emerge. The stories describe dark supernatural events, eerie nursery rhymes played backward, and unexplained tragedies involving mothers and children.
Meanwhile, strange things begin happening inside Mama’s quiet home.
- Faucets turn on by themselves
- Doors slam unexpectedly
- Lights flicker
- Unsettling noises echo through the house
Soon Evy begins to wonder whether the horrors in the recordings are truly distant stories—or if something sinister has entered her own home.
Cast and Performances
Although the film relies heavily on atmosphere rather than action, the performances help ground its psychological tension.
Evy
Evy serves as the emotional center of the film. She is a tired caretaker juggling grief, responsibility, and fear. Her skepticism slowly erodes as the story unfolds, creating a believable character arc.
Justin
Justin acts as Evy’s co-host and counterpart. While Evy tries to rationalize events, Justin embraces supernatural explanations, adding tension and urgency to the narrative.
Together, their conversations—largely conducted through headphones and microphones—drive much of the film’s suspense.
Spiritual and Supernatural Themes
Religion and supernatural mythology play a major role in the film.
Evy’s mother is portrayed as a deeply devout Catholic. Religious imagery appears throughout the house:
- Crosses on the walls
- Paintings of saints
- An open Bible beside Mama’s bed
These elements foreshadow the film’s central antagonist: Obyzouth, a demonic entity referenced in ancient texts.
According to Justin’s research, Obyzouth appears in the Testament of Solomon, an ancient text associated with Jewish and Christian traditions.
The demon is said to target mothers and infants, tormenting the former and destroying the latter.
This theme becomes especially unsettling when Evy discovers that she is pregnant, making her a possible target for the entity.
Horror Elements and Atmosphere
Director Ian Tuason uses sound design rather than graphic visuals to create fear.
Instead of relying on gore, the film focuses on subtle disturbances:
- nursery rhymes played backward
- whispers and unexplained voices
- eerie audio recordings
- faint movements in the background
This minimalist approach makes the horror feel more psychological than visual.
In many scenes, viewers are left staring into dark hallways or empty spaces—waiting for something terrifying to appear.
Often, nothing does.
And that absence becomes even more unsettling.
Violence and Dark Themes
While the film avoids explicit on-screen violence, its subject matter is extremely disturbing.
The recordings played in the podcast reference horrifying acts linked to Obyzouth, including:
- babies harmed or abandoned
- suicides influenced by supernatural forces
- couples driven to madness
The film also explores heavy themes such as:
- parental neglect
- abuse of children
- emotional trauma
- despair and loss
These stories are mostly conveyed through dialogue and audio recordings, allowing the audience’s imagination to fill in the darker details.
Drug and Alcohol Content
The film also touches on Evy’s personal struggles.
Early on, we learn she previously had problems with alcohol. However, as the stress of caring for her mother and dealing with supernatural events grows, she returns to drinking.
At one point:
- Evy pours whiskey from her mother’s cabinet
- she hides her drinking from Justin
- she even takes medication meant for her mother
These choices add another layer of emotional complexity to her character.
Other Noteworthy Moments
Several small but powerful scenes reinforce the film’s emotional tone:
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- Evy cleaning and caring for her bedridden mother
- Evy vomiting in the bathroom—her first sign of pregnancy
- haunting artwork depicting suffering children
One particularly mysterious moment occurs when Mama is found lying on the floor, suggesting that she may have died during the film’s events—though the exact circumstances remain unclear.
Final Verdict
Undertone has been marketed as “the scariest movie you’ll ever hear,” and the description fits surprisingly well.
Rather than relying on jump scares or graphic violence, the film builds dread through:
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- sound design
- silence
- psychological tension
- unsettling storytelling
Director Ian Tuason understands a simple truth about horror: what you imagine can be far more terrifying than what you see.
The movie’s haunting atmosphere and disturbing themes make it deeply unsettling—even without explicit visuals.
However, the story also ventures into very dark territory involving demons, tragedy, and corrupted parent-child relationships, which may make it uncomfortable for some viewers.
Still, for fans of psychological horror, Undertone delivers a chilling and thought-provoking experience.