The Devil’s Mouth Review and Ratings
Cast: Kathryn Newton, Lana Condor, Gavin Casalegno, Nico Hiraga, Tommi Rose, Tayme Thapthimthong
Director: Jeff Wadlow
Streaming Platform: Prime Video
Filmyhype.com Ratings: 3/5 (three stars)
The Devil’s Mouth starts with an idea that, on paper, should work without much effort: a group of friends, a submerged cave, little oxygen, and a very hungry bull shark. Jeff Wadlow takes these elements, places them in Thai waters, and lets the protagonists do what is expected of them in such a film: ignore every warning sign and slip into exactly the place from which any person with a survival instinct would stay away. The film, available on Prime Video, follows five college friends on their final journey together before entering adulthood. Sara, played by Kathryn Newton, is the most cautious of the group. Max, to whom Lana Condor lends her face, is instead the typical friend who turns every bad idea into “an experience we will always remember”. At least he’s right about this: you hardly forget a vacation during which a shark tries to eat the entire group.
In recent years, shark movies have gone through a new season of popularity. Between unlikely sequels, low-budget productions, and blockbusters continually trying to reinvent the formula, finding a truly original idea has become increasingly difficult. Some have added serial killers, some natural disasters, some plane crashes, but often the result is to piece together multiple elements without managing to build a truly engaging story. The Devil’s Mouth, available on Prime Video and directed by Jeff Wadlow, chooses a less flashy but decidedly more interesting path.
The film, in fact, tells the story of a classic survival story with a shark trapped in a system of submerged caves, but uses this extreme situation above all to explore the relationship between two friends whose bond, made up of emotional dependence, feelings of guilt, and control, proves much more dangerous than the predator that pursues them. The idea is not enough to transform The Devil’s Mouth into one of the best exponents of the genre, but it still represents an element capable of distinguishing it from the crowd. Where many shark movies simply pile up victims, this one at least tries to give emotional weight to survival.
The Devil’s Mouth Movie Review: The Story Plot
Sara and Max have just finished college and are leaving with some friends for a vacation in Thailand before starting adult life. What should be an unforgettable journey, however, has already been marred by tensions that have never really been resolved. Max is confident, impulsive, and used to deciding for everyone. Sara, on the other hand, is more introverted and has always ended up following her friend’s choices, unable to resist even when she wants to.
While hiking in a cave system known as Devil’s Mouth, the group ignores their guide’s warnings and decides to take the most dangerous route. Meanwhile, a violent storm has altered the area’s ecosystem, dragging a bull shark, one of the few species capable of surviving even in freshwater, into the caves. Trapped in a submerged maze with no escape, the boys must find an exit before the predator reaches them.
The boys choose to explore a submerged cave system called The Devil’s Mouth. The name leaves little room for optimism. It’s not called “Bay of Serenity” or “Cave of Guaranteed Return”, but they enter anyway. To make matters worse, a bull shark, a species capable of living in both saltwater and freshwater, appears. The animal becomes trapped in the caves after a storm and reacts to the presence of the children with the understandable irritation of those who find themselves with five noisy tourists in their living rooms. The setting is the best element of the film. Narrow spaces, darkness, and murky water can convey a fairly effective feeling of discomfort.
You don’t have to be afraid of sharks: just imagine being stuck underwater, not knowing how long the oxygen will last, and breathing a little worse on the couch. Jeff Wadlow handles these scenes with some skill. He doesn’t reach the suffocating tension of The Descent and doesn’t invent anything that comes close to Jaws, but he does at least manage to create a few moments capable of making us retract our legs, even if we are perfectly aware that there is no bull shark under the coffee table.
The Devil’s Mouth Movie Review and Analysis
The most striking aspect of the film is that the shark almost comes to play a supporting role. The true center of the story is, in fact, the relationship between Max and Sara, constructed as a relationship of dependence in which affection and manipulation continually coexist. Max is the classic person who likes to call himself the one who organizes everything, drags others into his adventures, and demands to always know which is the best choice. Sara, on the other hand, owes her a lot: after her father’s death, it was her friend who helped her get up. It is an emotional debt that continues to influence their every decision.
When the group becomes trapped in caves, this dynamic inevitably explodes. Max’s displayed confidence quickly turns into a need for control, while Sara discovers she possesses a clarity that no one, not even herself, believed she had. It’s not a completely new theme, but it’s carefully developed enough to make the film something more than the classic succession of chases and attacks. More than the shark, it is the setting that generates suspense.
Jeff Wadlow uses the submerged tunnel system as an authentic labyrinth, where orienting oneself becomes increasingly difficult, and any mistake can be fatal. The rock walls, narrow spaces, limited visibility, and constant risk of being trapped contribute to a sense of claustrophobia that accompanies almost the entire film. A particularly successful choice concerns space management. From the very first scenes, a map of the different routes of the cave is shown, allowing the viewer to understand the position of the group during their movements. It’s a seemingly minor detail, but it avoids the geographical confusion that often penalizes this type of survival. The shark is also used with some intelligence. Instead of showing it all the time, the director prefers to use the murky water and poor lighting to hide its presence, allowing danger to suddenly emerge from the depths.
The strength of the cast is represented by the two protagonists. Kathryn Newton plays Sara with great measure, accompanying the character in a believable transformation. At first, she appears insecure and almost invisible within the group, but it is precisely during the crisis that she finally finds the strength to emancipate herself from her friend’s influence. Lana Condor instead avoids turning Max into a mere antagonist. His character is selfish, authoritarian, and often irritating, but he retains a vulnerability that prevents him from being reduced to a caricature. Max genuinely loves Sara, but he just can’t conceive of a relationship that doesn’t go through control. The rest of the group, however, remains quite sacrificed. The other characters exist mostly to fuel tension and provide the shark with new potential victims, without receiving any truly significant development.
As is often the case in Jeff Wadlow’s films, the best insights coexist with numerous limitations. The script frequently resorts to rather didactic dialogue and some clichés typical of contemporary survival. Several of the characters’ behaviors are not very believable, and some choices seem to be dictated more by the need to fuel danger than by real narrative coherence. Even the shark’s digital effects aren’t always convincing. In some sequences, the predator appears effective thanks to the dark photography and direction that suggests it rather than showing its presence, while in others, the digital component becomes decidedly more evident. The rhythm, moreover, alternates moments of good tension with others in which the story struggles to find new energy, especially in the central part.
The Devil’s Mouth doesn’t revolutionize shark cinema and probably won’t go down as one of the genre’s most memorable titles. However, he succeeds where many similar productions fail: he tries to tell something beyond the simple fight for survival. The toxic friendship between Sara and Max becomes a surprisingly effective metaphor. The shark poses the most obvious danger, but it is the unbalanced relationship between the two protagonists that really forces them to change. Survival thus ends up telling the story of a journey of personal emancipation, giving greater depth to a film that, on paper, could have simply been yet another summer shark movie. Not all ideas are fully developed, and Jeff Wadlow confirms the limitations that have characterized much of his filmography. Yet, thanks to two compelling protagonists, a cleverly exploited setting, and a richer-than-expected emotional subtext, The Devil’s Mouth manages to offer something different than many of its competitors.
Jaws enters the scene after a long preparation during which the film attempts to introduce us to the group. The problem is that the characters seem to be written mostly to make the worst choice available in every situation. There is always someone who does not listen. Someone who separates from others. Someone who decides to cross a dark passage despite having just discovered that a huge predator is swimming nearby. At some point, I started to side with the shark. Not because the boys deserve to die, of course, but because the animal is the only coherent character: he’s hungry at the beginning, he’s hungry halfway through the film, and he continues to be hungry towards the end. No internal conflict, no college secrets pulled out as the oxygen runs out. An admirable professionalism.
In fact, the film tries to add depth through the relationship between Sara and Max. Their friendship is unbalanced: Max decides, Sara follows him, and then pays the consequences. The situation inside the cave forces both to face years of resentment, emotional dependence, and broken promises. This part could have made The Devil’s Mouth more than just a shark movie. At times it works, especially thanks to Kathryn Newton, capable of energizing even not particularly refined dialogues. In others, it seems the characters waited to be chased by a predator to finally begin that argument they might have had over coffee. Some international critics have also appreciated the attempt to portray a toxic friendship, while noting that the writing fails to fully develop it.
The attacks are rapid, and the film fortunately avoids showing too much of the predator in the early stages. The digital effect isn’t always flawless, but it remains acceptable for a production designed directly for streaming. However, no scene can remain imprinted. The dead arrive, the water turns colored, and the survivors scream, but the film follows such a predictable path that one often guesses who will be next even before it enters the water. The 106-minute duration doesn’t help either. The first part could have been shortened, and some arguments inside the cave end up slowing down the very passages that are supposed to increase the tension. The result is not boring in an absolute sense, but you feel like you’ve already seen this story with caves, diving, crocodiles, sharks, and more or less expendable groups.
The most obvious model is 47 meters: Uncaged, another film in which young protagonists become trapped in a submerged environment with sharks that are unavailable for dialogue. The Devil’s Mouth adds to the rivalry between the two friends, but she doesn’t find an identity strong enough to shake off the confrontations. Kathryn Newton is the best presence. Her character starts as the girl who accepts Max’s every decision and must learn to trust herself. The evolution is predictable, but the actress manages to make it believable, especially in the final scenes. Lana Condor plays a person who is well-suited to being in charge, even when she doesn’t know what to do. Max is irritating, selfish, and fragile, a combination that deserved more subtle writing. The film insists so much on showing us how toxic it is that, after a while, it seems to want to give us an official certificate.
Gavin Casalegno, Nico Hiraga, and Tommi Rose complete the group, but receive characters built mainly around the function they will have during the carnage. We know enough to recognize them, not enough to suffer seriously when the shark starts selecting the menu. The Devil’s Mouth is a watchable, loud, and very predictable survival horror film. The aquatic setting offers some good sequences; Kathryn Newton holds the film, and the bull shark carries out its task without wasting time.
The problem is that there is a real surprise missing. The story uses almost every cliché available: the journey before adult life, the family trauma, the toxic friendship, the ignored ban, the guide who is evidently not listened to, and the character who thinks he always knows what to do. The film arranges them in order and hopes that the dark water will be enough to make them new. I wasn’t bored for the entire duration, and some scenes manage to create tension. I can’t say I have anything left after the credits, though, other than confirming that visiting submerged caves will never make my list of favorite activities.
The Devil’s Mouth Movie Review: The Last Words
The Devil’s Mouth uses the structure of the shark movie to tell the story of a toxic and unbalanced friendship. While not reinventing the genre and with some limitations in the writing, it is convincing thanks to the tension created by the setting, the performances of Kathryn Newton and Lana Condor, and a more interesting than average emotional subtext.
Ultimately, Devil’s Mouth is probably one of the most interesting straight-to-stream shark movies of recent times, not because it reinvents the genre, but because it understands that audiences need more than a long series of underwater attacks. The shark is the driving force behind the action, but it is the relationship between Sara and Max that keeps interest alive until the very end. It’s not enough to turn it into a new benchmark in aquatic cinema, but it’s enough to make it a decent, well-acted, and smarter B-movie than its premise suggests.
