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 public pool in the film is called the Ketea Aquatic Center named after the monsters of the sea in Greek mythology, the two greatest of which were famously slain by Perseus in Aithiopia and Herakles at Troy. See more
The shot used to revive Bree in the end is an red/orange glucagon pen. See more