Five college friends travel to Thailand for one last adventure together before returning to their everyday lives. Their trip takes them to a remote cave system known as the Devil’s Mouth, where they sign up for a guided swim through a network of submerged passages.
A recent storm has flooded the caves with seawater and marine life. Most of the animals trapped inside died when conditions changed, but something much larger survived.
A shark is now hunting inside the caves.
With their route through the system becoming increasingly dangerous, the group must navigate narrow underwater passages while dealing with limited oxygen, poor visibility, and a predator capable of appearing with little warning. Panic and disagreements within the group make finding a way out even more difficult.
Kathryn Newton, Lana Condor, Nico Hiraga, Gavin Casalegno, Tommi Rose, and Tayme Thapthimthong star in the film. Jeff Wadlow directs, with Aja Gabel and Myung Joh Wesner credited as writers.
The Devil’s Mouth combines shark horror with the confined setting of a cave survival thriller. Rather than placing its characters in open water, the film traps them underground, where escaping the shark also means finding a route through an unfamiliar and increasingly dangerous environment.
Why The Devil’s Mouth Is on Love of Gothic
The Devil’s Mouth falls within the creature horror and survival thriller side of the Love of Gothic collection. Its shark provides the immediate threat, while the submerged caves add darkness, isolation, confinement, and the constant danger of running out of air.
The film also uses several familiar horror elements, including a group trapped somewhere they cannot easily escape, deteriorating trust, violent death, and a predator stalking them through an environment where they are at a severe disadvantage.
Its combination of creature horror, claustrophobia, and survival makes it relevant to the broader range of dark cinema represented on Love of Gothic.