An adventure-loving couple convince their friends to explore a remote, uncharted cave system in the forests of Northern Australia. With a tropical storm approaching, they abseil into the mouth of the cave, but when the caves start to flood, tensions rise as oxygen levels fall and the friends find themselves trapped. Unknown to them, the storm has also brought in a pack of dangerous and hungry crocodiles.

After freeing a young Bedouin girl from her unjust imprisonment in Jerusalem, an Australian adventuress, together with her devoted police detective friend, begins to unravel a decade-old mystery concerning priceless emeralds, an ancient curse and the disappearance of the girl's mother and massacre of her tribe.