The Devil's Mouth Full Movie Details, Review, Cast & Box Office (2026)

Directed by horror-thriller veteran Jeff Wadlow, The Devil's Mouth delivers a claustrophobic, high-stakes aquatic creature feature filmed extensively on location along the tropical coastlines of Thailand. The story centers on a tight-knit group of five recent college graduates setting out on one final wild adventure before transitioning into adult life in the real world. They sign up for a guided exploratory swim through a beautiful yet unforgiving remote cave network known locally as The Devil's Mouth. However, a sudden tropical storm surge rapidly floods the narrow subterranean pathways, trapping them deep within the dark, waterlogged labyrinth. With their oxygen levels drops dangerously low and their flashlights fading, the true terror begins when they realize the rising waters have brought in a massive, hyper-territorial bull shark. As old personal secrets spill out and panic fractures their trust, the group is forced into a desperate fight for survival against a relentless underwater predator.