Sam comes face to face with a massive shark 100 feet below the surface and the boat is boarded by poachers in the middle of the night.
After Marty suffers a near-death experience when his oxygen tank explodes at a depth of 90 feet, tensions between members of the American crew boil over. Marty, Sam, and Jason get into a bar brawl that threatens to tear the team apart.
Six Americans set out on the adventure of a lifetime: hunting for diamonds in the shark-infested waters of South Africa. The team quickly discovers that the diamond trade in Africa is a brutal business full of pirates, poachers, and thieves.