The final scene of Muted‘s eighth episode lingers on Sergio Ciscar’s face as he finally speaks, his voice raw and cracked after years of silence. It should be a moment of catharsis, but instead, it feels hollow—a hollowness that echoes through much of this Spanish psychological thriller.

Created by Aitor Gabilondo and directed by Gabe Ibáñez, Muted (El silencio) is a tale wrapped in intrigue. Set in Bilbao, the series follows Sergio (Arón Piper), a young man recently released from detention after serving six years for parricide. He hasn’t spoken since the day he murdered his parents, and the mystery of why he did it drives the narrative forward. The show’s premise is compelling: a mute genius, a corrupt police force, a psychiatrist with a secret crush, and a fanatical admirer all collide in a web of deception and psychological experimentation.

Where Muted excels is in its atmosphere. The moody lighting and stark urban landscapes of Bilbao create a palpable sense of unease. The cinematography is sharp, using close-ups and tight framing to emphasize the claustrophobic tension. The series benefits from a strong visual style that leans into the psychological horror elements of the story. The use of silence—both literal and metaphorical—is particularly effective, amplifying the tension and making every whispered conversation or sudden noise feel like a jolt.

The performances are a mixed bag but worth noting: Arón Piper delivers a committed performance as Sergio, capturing the character’s volatile mix of intelligence and instability. His portrayal of a young man struggling with trauma and guilt is nuanced, even if the character himself is frustratingly inconsistent. Almudena Amor as Ana Dussuel, the psychiatrist, brings a layer of emotional complexity to her role. Her secret love for Sergio adds a layer of moral ambiguity that could have been explored more deeply. The chemistry between Piper and Amor is palpable, making their interactions some of the most compelling moments of the series.

However, Muted stumbles in its execution. The pacing is uneven, with episodes meandering through subplots that feel tangential at best and confusing at worst. The series struggles to balance its multiple storylines, often sacrificing clarity for the sake of mystery. For instance, the corrupt police angle is introduced but never fully explored, leaving viewers with more questions than answers. The narrative structure feels disjointed, jumping between past and present without always providing enough context or payoff.

The characters are another Achilles’ heel. While Piper and Amor hold their own, others falter under the weight of clichéd dialogue and one-dimensional writing. Cristina Kovani as Marta, the girl obsessed with Sergio, veers into caricature territory, her motivations unclear and her actions often baffling. The same can be said for Manu Ríos as Eneko and Aria Bedmar as Greta, whose roles feel underdeveloped and tacked on. These characters add little to the central mystery and often detract from it.

The series’ biggest misstep is its reliance on shock value over genuine psychological depth. The twist regarding Sergio’s parents—his mother experimenting on him, his father’s ignorance—is intriguing but underutilized. The final reveal of Sergio’s actions feels rushed, a culmination of events rather than a natural progression of character development. The series builds to a climax that lacks the emotional weight it deserves, leaving viewers with a sense of anticlimax.

In terms of themes, Muted touches on interesting ideas about trauma, identity, and the ethics of psychological experimentation. However, these themes are often overshadowed by the series’ focus on mystery and shock value. The exploration of Sergio’s internal struggle is compelling but inconsistent, with the narrative frequently prioritizing external conflicts over introspective moments.

Comparatively, Muted falls short when stacked against other psychological thrillers. While it shares similarities with shows like The Sinner and Mindhunter, it lacks the depth of character development and thematic consistency that make those series stand out. The mystery at the heart of Muted is engaging but ultimately unsatisfying, as the resolution feels more contrived than earned.

In terms of audience appeal, Muted will likely resonate with fans of psychological thrillers who enjoy atmospheric storytelling and complex characters. However, viewers looking for a tightly plotted narrative or deeply developed themes may find themselves disappointed. The series is best suited for those who can appreciate its visual style and strong performances, even if the story itself leaves something to be desired.

In the end, Muted is a series that promises more than it delivers. Its atmospheric cinematography and strong performances from its leads are overshadowed by a meandering plot, underdeveloped characters, and a reliance on cheap shocks.