Three friends filming an audition tape for an extreme reality-TV show find themselves stranded in shark-infested waters, turning their recording into a bloody diary of death. Do they have what it takes to survive the open water?
Two sisters are exploring the deep blue sea until something goes wrong. As they submerge 47m they encounter a creature that only wants flesh and blood. As they fight their way back to the top, they shortly run out of oxygen. With only an hour left they're not only racing against time they are racing against life and death.Written by
James Van Der Beek was cast as Lisa's boyfriend Stuart, and filmed several scenes with Mandy Moore. However, all of those scenes were cut. The final version of the film only references Stuart. See more »
The amount of time a diver can breathe on a tank of compressed air decreases with depth. At 47 meters down, a diver would have limited time as the air they breathe is equalized to the pressure at that depth. Every 10m the volume is divided (10m = 1/2, 20m = 1/3, 30m = 1/4, etc.). So 10m below the surface a diver breathes 2x the volume of air. At 50m each breathe is 6x as dense as the air they breathe at the surface. If the diver's surface air consumption (SAC rate) is 30psi per minute that means they would breathe 150 psi per minute at 50m... which is approximately 20 minutes of air. The most common type/size cylinder in scuba diving is an AL80 / 11L at 3,000PSI / 207 bar). Factors that contribute to gas consumption include physiology, fitness level, and stress/panic (such as that caused by being circled by Great White sharks). Thus one hour is highly exaggerated.
US Navy dive tables establish the no decompression limit ("bottom time") for 47 meters (>150 ft) to 5 minutes (not including descent or ascent time). A diver has 20 minutes of bottom time at 100 feet using air (21% oxygen).
When using an open circuit breathing apparatus, as in the film, a diver breathes compressed air. Air is 21% oxygen and 79% nitrogen. 100% oxygen can potentially result in oxygen toxicity at depths past 19.8ft / 6m depth.
It's also quite possible a diver would experience nitrogen narcosis which is similar to being drunk, and simple tasks can be difficult to achieve. Technical diving generally requires Air / Helium (aka Trimix) when diving below 50 meters / 165 feet in order to reduce nitrogen narcosis. See more »
The other night at the hotel, what did you mean when you said that your relationship was the only thing you were good at?
You're always doing such fun stuff, Kate. Traveling around the world doing crazy things, guys always chasing after you. I could never compete with that. I was always just your boring older sister, but... my relationship with Stuart was the one thing I had that you didn't.
We were never in competition.
Maybe you weren't.
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One of the crew members is credited as both a safety diver, and "broccoli wrangler". See more »
Performed by Syn Cole
Written by Rene Pais and David Arkwright
PRMD Songs US, BMI
Licensed courtesy of Warner Music UK Ltd See more »
This could have been a cliché shark movie, but it's not. In some shark movies, the creatures are so unrealistic that the plot loses any credibility. In this, the sharks are just there, where they should be, and doing what they normally do, and the film is very much more terrifying for that. The real horror here is running out of air, and I'm pretty sure I'm not the only viewer of this great little atmospheric film breathing very shallowly indeed to conserve precious air whilst watching it! Having done a bit of diving off Mexico, I reckon this movie is pretty accurate. The cinematography is absolutely superb--every shot is like being there, gorgeously lit and incredibly claustrophobic. I liked the main characters: neither were bimbos. I wanted them both to live. Along with The Shallows, I'd say this is one of the best shark movies out there. Highly recommended.
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