Sanctum [4K Ultra HD Blu-ray]

An intrepid team of explorers gets trapped in a complex underground cave system when a tropical storm makes it impossible to escape the same way they entered in this claustrophobic adventure drama from director Alister Grierson and executive producer James Cameron. Inspired by actual events, Sanctum tells the tale of Frank McGuire (Richard Roxburgh), a master diver intent on being the first to explore the Esa-ala cave system in the South Pacific. Shortly after Frank descends into the caves ...