Here is the summary for Gold Rush: Alaska Season 2 Episode 4: Slippery Slope:
The Hoffman crew confronts the permafrost that lies between them and the gold. As the Dakota Boys set up their new wash plant, Fred pushes his son too hard and Dustin storms off. Parker faces a breakdown that leaves his mining season at a stand still.
In the face of the economic meltdown, determined men risk everything to strike it rich mining for gold in the wilds of the far north. Todd Hoffman of Sandy, Oregon, along with his father, lead a group of greenhorn miners in search of the American dream and a new frontier. Gold Rush: Alaska is a new documentary series for Discovery Channel about a group of unemployed men from Oregon who have set out for Alaska in search of GOLD.
In a last ditch effort to provide for their families, they’ve sold everything they can and invested in a gold claim and the machinery to mine it. Living off the grid in one of the wildest and most unforgiving wildernesses on earth, they hope to rekindle the American Dream and start a 21st Century Gold Rush. But in Alaska, everything is a struggle. Every day they have to contend with breakdowns, bug bites, extreme weather and grizzly bears. Can they tough it out long enough to find any gold?