Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.
Cinematography
Underwater 3D photography that'll ruin pool parties forever.
Practical Effects
Real cave divers, real panic, real 'we almost died' energy.
Acting
Richard Roxburgh's unhinged dad performance: part mentor, part monster.
Director
Alister Grierson
Trivia, insights & behind the scenes
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