Inspired by true events, 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?
The character played by Tobin Bell is named McGradey after the former caretaker from the director, Matt Eskandari's favorite horror film, "The Shining." See more
The sisters recover the engagement ring but never think to use it to cut a hole in the fiberglass cover. If the stone in the ring is a diamond, it would cut through fiberglass. See more