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
At the depth the characters are, experts suggest there would be less than 15 minutes of air for them. See more »
One diver successfully hides from a shark by hiding behind a rock. She's wearing an open-circuit SCUBA system that ejects bubbles, which is a very noisy process. The shark would have been able to hear the bubbles, as well as look at them rising from behind the rock. She would not have been able to hide from the shark. See more »
Two adrenaline bursts in this movie... one star for each. I secretly love MM, but when the writers, producers, and director take on a project like this (diving w/ sharks), they really need to AT LEAST have an inkling about how diving affects people and shark behavior... I was snickering throughout instead of gripping my arm-rests like I should have been:
#1 47 meters is the threshold of "maximum safe depth" for (deep) recreational divers and since not all divers have exact physiology and these characters were novices and freaking out, being at that threshold itself would have killed them quickly.
#2 Sharks in general are not attracted to iron-based "aka human" blood (they are attracted to copper-based blood "mainly fish") - they will attack regardless on occasion but not because they heard your heartbeat and thirsted for your blood even from 5 feet away.
(I'll limit this list to 3 items) #3 Sharks do not like the sound of bubbles in the water... in fact it scares them and is akin to the sound of fingernails on a chalkboard (for us) so 100% of them leave the area when they hear it. No, their hunger does not counteract their discomfort.
But I get it, you can't make a movie about terrifying sharks that behave in their natural, unobtrusive ways - the movie needed shock value. It's just that experienced divers like myself are lost on the ridiculousness of the action and those who don't dive now won't go near the water in fear of marine dangers that aren't real, at least as were portrayed by this film.
Still, it wasn't a complete waste of 89 minutes... MM is still gorgeous! And who's this Stuart guy anyway!?
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