When I first read the introduction, I thought this was the story of two sisters who fell into the sea to survive and avoid sharks. If there was not an illusion of nitrogen poisoning in the middle, and there were corresponding preparations in the front, it would be normal to take it.
However, after watching this film, you can also master some diving-related knowledge, but the oxygen consumption index of the oxygen cylinder is very unscientific. It is obvious that my sister is bigger and nervous than her sister. No matter how much oxygen consumption is slower than her sister , the result is not the same, and the more the amount of oxygen at the same index, the more durable it is, of course, it may be necessary for the plot.
I always thought that Kate wasn't dead. I thought that when Harvey died, there was an obvious blood flower that spread out, and although Kate was bitten by a shark, it didn't hurt, but in the end it should be dead.
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