The calmer you are, the less air you lose.
Two sisters go diving at a beautiful, remote location. One of the sisters is struck by a rock, leaving her trapped 28 meters below. With dangerously low levels of oxygen and cold temperatures, it is up to her sister to fight for her life.
TMDB audience score
Based on 247 votes
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Availability in the US
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United States listings · Refreshed 12 Oct 2026. More horror to watch in the US
MyCinema quick facts
Worked out from the film's TMDB record and its United States provider listings. These are facts about the data, not a review.
Standard length · 1h 31m
At 1h 31m it sits between 90 minutes and two hours.
Thriller · Adventure
TMDB files it under thriller and adventure.
5 subscriptions · 5 to rent · 5 to buy
Included with 5 subscription services: Philo, AMC Plus Apple TV channel, AMC+ Amazon Channel, and 2 more. Listed to rent from 5 stores. Listed to buy from 5 stores.
6.3 / 10 on TMDB
TMDB users rate it 6.3 out of 10 across 247 votes, a positive audience score. That is a moderate sample of voters.
The scare meter is MyCinema's own rating, given by a person who has watched the film. It is not a TMDB score.
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