Following the death of his father, Jay Gardiner goes diving off the central Coast of California in search of his remains, but is swallowed by a massive sperm whale. While trapped inside its belly with only one hour of oxygen left, Jay comes to realize that the hard-earned lessons his father imparted may be the key to his escape.

Austin Abrams
as Jay Gardiner

Josh Brolin
as Mitt Gardiner

Elisabeth Shue
as Zara Gardiner

John Ortiz
as Hewey

Jane Levy
as Eva Gardiner

Emily Rudd
as Nan Gardiner