There is a scene at the end of the film, where a woman is hallucinating and says "We made it, Kate" in a creepy/ weird voice
Almost the whole movie takes place underwater. This may be unsettling for some viewers.
One of the sisters exits the cage and is almost attacked by the shark. She has a close call getting back into the cage and the shark attacks it.
Multiple scenes of the shark pursuing the girls and almost attacking them.
A character lights up a flare and it is revealed that three sharks are circling them in the dark.
'47 Meters Down' revolves around two sisters, Kate and Lisa, who go on a shark dive. A mishap causes their shark cage to fall to the sea floor, trapping them in the depths with a ravenous shark.