Two sisters are trapped under the fiberglass cover of an Olympic sized public pool and must brave the cold and each other to survive the harrowing night.
Did You Know?
According to an interview with 1428 Elm, director Matt Eskandari said the film stemmed from his own fear of pools and oceans by saying: "Pools and oceans all trigger a bona fide sense of dread for me. Just the whole idea of being trapped in a pool makes me sweat. I decided to tap into that fear and the concept blossomed from there." See more
After the paramedics arrive and Bree is conscious again, you can see in a shot that all the blood surrounding the hole in the fiberglass where they escaped from is gone. See more