The fall of the whale

Jay Gardiner goes underwater off the coast of California to find the remains of his deceased father. The expedition takes a dramatic turn when a young diver is swallowed by a huge sperm whale. Trapped inside the animal, it has a supply of oxygen sufficient for just an hour. He begins a desperate struggle for life, in which he must overcome panic and use the knowledge given to him by his father. Trying to get out of the trap also becomes a confrontation with a difficult family past.