Desperate to run more paydirt, Todd fires up Big Trommel but the plant is so worn-out, Todd's nicknamed it Hot Mess. The team chases fix after fix to keep the plant running and chase their million-dollar goal.

It's Jack Hoffman's birthday, but no time for cake. He must fix 'Hot Mess' that leaks more gold than it catches. Freddy and Juan hope to save a Colorado father and son's gold recovery and relationship before heading to Alaska to help three remote miners.

To hit his million-dollar goal, Todd pushes his team to get a third wash plant delivering gold. As the mine ramps up, the road system needs to be overhauled so they can keep paydirt moving before the deep freeze.

When Alaskan temperatures plunge, Todd and the team are caught by surprise. Their biggest wash plant is frozen and the Hoffman's rush to thaw out their other plants before they're iced out for the season.

Hunter takes on the arctic tundra when a geologist's lead points to crazy gold on the edge of the Hoffman claim. Back at camp, Andy works to turn paydirt from an ancient river channel into a big payoff.

The Hoffmans discover a huge vein of gold that could save their season if they can get it out of the ground in time.

With their million-dollar goal in sight, the Hoffmans' best working wash plant breaks down and can't be repaired. Todd's last shot is to get the Hot Mess up and running during an arctic freeze.

As Alaska’s brutal winter bites, Todd works the night shift hoping to hit his million dollar goal. Will the final gold weigh be a big win - or another disaster.