Farley must answer to the island leaders for his team's poor performance; the boat crew discovers that a crucial miscalculation may have damaged the dredge beyond repair; the Americans desperately chase their first taste of Bougainville gold.
Camp turns hostile when Farley insists the team attempt a dangerous journey to the upper reaches of the Queens River; the team's leader risks mutiny in search of gold over the objections of Captain Todd; Croc Jim teaches Ian to catch crocs.
The team’s desperate push up the Queens River finally pays off when Farley leads them to a major gold strike. But a freak accident sidelines the crew and celebrations are short-lived as emergency medical treatment puts the mission in jeopardy.
The crew is finally on the gold, but the island won’t give up its riches without a fight. The threat of a 1200 pound man-eating croc tries to keep Farley away from the gold zone, in a deadly showdown on the Queens River.
With only 72 hours left on the island, the crew goes to war with the deadly monster croc. Angry islanders resort to sabotage in an attempt to drive the crew off the island and crush Farley’s dreams of Bougainville riches.