In South Africa, divers explore the notorious Skeleton Coast for diamonds, despite freezing waters, fierce currents, lethal rock falls and shark attacks. Who will strike it rich?

Marty has a near-death experience when his oxygen tank explodes and Mart, Sam and Jason get into a brawl.

A knife-fight leaves the team's future in question; a mutiny shakes up the American crew; Captain John faces off with his South African mining boss.

Sam comes face to face with a massive shark 100 feet below the surface; poachers board the boat in the middle of the night.

Marty and Jason are forced into the pitch-black African wilderness at night, and the biggest storm in decades takes the lives of several sailors on the Skeleton Coast.

After the huge storm tears their boat apart, the American crew takes a huge risk on a dangerous new boat that could either make them rich, or cost them their lives.