Sanctum follows master diver Frank McGuire as he and a team of underwater cave divers explore the most remote and breathtaking cave system on earth, the South Pacific’s Esa-ala Caves.
McGuire and his team have been exploring the underwater caves for weeks when McGuire’s son and financial backer come to join them at their underwater base camp. As the group heads deep below the waves to explore, a tropical storm brews and forces them ever deeper in a desperate search for an unknown route to the sea, and safety. As their supplies dwindle and panic sets in, the crew must survive rushing water, deadly terrain and a confusing labrynth of caves if they hope to survive. The group must eventually confront the truth before them, will they survive?
Sanctum is an action-thriller sure to keep you on the edge of your seat. Showing now on HBO!
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