Underwater (2020)

Underwater (2020) is a science fiction horror thriller directed by William Eubank, starring Kristen Stewart, Vincent Cassel, T.J. Miller, Jessica Henwick, John Gallagher Jr., and Mamoudou Athie. The film follows a small crew of researchers stationed deep beneath the Mariana Trench as they battle both environmental hazards and a mysterious, deadly force after a catastrophic disaster.

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The story opens with mechanical engineer Norah Price (Kristen Stewart) working aboard the Kepler 822, a massive underwater drilling facility located over 6 miles below the ocean’s surface. Without warning, a massive earthquake shatters the rig’s structure, leaving Norah and a handful of survivors scrambling to find a way to safety. With communication systems destroyed and escape pods either inaccessible or damaged, the crew’s only hope is to journey on foot across the ocean floor to reach another drilling outpost, the Roebuck 641.

Movie Review: Underwater (2020) - Sequential Planet

As the crew ventures deeper into the darkness, they soon realize that the earthquake wasn’t just a natural event. Strange, aggressive, humanoid sea creatures begin attacking the survivors one by one, making it clear that something ancient and deadly has been awakened by their drilling operation. The survivors face suffocating pressure, dwindling oxygen, unstable equipment, and relentless, terrifying creatures lurking in the abyss.

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Tensions rise as the crew navigates wreckage, flooded corridors, and collapsing structures while mourning their fallen comrades. Captain Lucien (Vincent Cassel) assumes command and urges the team forward, despite the growing risks. Norah, dealing with personal loss and guilt, emerges as a resilient and resourceful leader, determined to survive against impossible odds.

As they near the Roebuck, the group encounters increasingly larger and more grotesque monsters, culminating in the reveal of a colossal, ancient creature implied to be a Lovecraftian god-like being, which had been disturbed by the drilling. The survivors realize their only chance of escape lies in sacrificing the station itself.

In the film’s climax, Norah makes a selfless decision to overload the Roebuck’s core, causing a massive explosion that kills the monstrous entity and ensures the escape of the remaining survivors. The film ends with a haunting reminder of corporate negligence and humanity’s reckless desire to exploit nature’s most dangerous frontiers.

Underwater is a claustrophobic, atmospheric thriller that draws influence from classic sci-fi horror films like Alien and The Abyss, combining tense survival horror with cosmic terror lurking in the ocean’s deepest, darkest corners.