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.

• DirectorAlister Grierson
• Release3 February 2011
• Genre
  Action / Thriller
• Duration1h 48m
• Budget$30,000,000
• Revenue$108,609,310
• Rate
  

  6.0
  1081 reviews
• Productions

  Universal Pictures, Relativity Media, Wayfare Entertainment, Great Wight Productions/ Osford Films, Sanctum Australia, Lightstorm Entertainment, FilmNation Entertainment