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 … Richard Roxburgh, Ioan Gruffudd, Rhys Wakefield, Alice Parkinson, Dan Wyllie, Christopher James Baker, Nicole Downs Added on Amazon Prime 2022-05-30. Youtube Trailer