Entrepreneur and adventurer, Peter Jago, and his team are on a mission to search for alluvial diamonds and gemstones washed in the hidden river valleys of Lesotho.
Pumps break and all hell breaks loose between Warren and Gary. Plus, a few close calls with equipment put the lives of all the team members at risk.
The rainy season begins and the problems escalate. The team must devise new strategies to safeguard the equipment and prevent it from being washed away by the daily thunderstorms.
The team battle a flash flood, save rusting equipment and deal with a team member's drug problem. A valuable diamond is found - the biggest to date.
The mining operation seems to be gaining momentum with regular finds of small carat diamonds, but the big diamonds are eluding them.
The pressure is on to find the big stones before the winter snow drives the team from the valley. A geological survey reveals there is a huge opportunity.