The crew take a big risk on a new boat after a storm destroys their old vessel.
A wilderness trek transpires at night, and a deadly storm hits the Skeleton Coast.
A diver encounters a big shark; poachers board the boat at night.
A knife fight and a shocking mutiny leave the crew's future in question. Also: The captain clashes with the mining boss.
Marty has a near-death experience when his oxygen tank explodes; Mart, Sam and Jason get into a brawl.
Six Americans hunting for diamonds in South Africa find that the trade is a brutal business full of shark-infested waters.
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