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 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 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