Inspired by a true story and executive produced by underwater-film fanatic James Cameron, this cave-diving thriller has a lot going for it, thanks to a strong cast and high production values. But the script fails to make anything of the premise.
Fit young Aussie Josh (Wakefield) travels to a remote cave in Papua New Guinea with American financier-adventurer Carl (Gruffudd) and his girlfriend (Parkinson). There they join a team, already deep underground, led by Josh's hard-man dad Frank (Roxburgh). Having just discovered a massive new water-filled chamber, everyone's shocked by the accidental death of a team member (Cratchley). And then a tropical storm descends, flooding their base camp and forcing the spelunkers deeper underground in search of another way out. But the already strained team finds it difficult to work together.
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