This winter, strict deadlines force the fleet to take extreme measures. Vern gambles on a state-of-the-art dredge while Shawn ventures into the harsh wilderness in search of the next golden hotspot, and Emily unleashes a team of all-girl divers on Nome.

With a shortened ice mining season, every second counts. But just as the fleet seems set to dial in on the gold, equipment problems cause setbacks, costing each crews precious time under the water.

Near the midpoint of the shortened mining season, every dredge must hustle to stay on the gold. But in their haste, small miscalculations lead to massive problems, throwing every operation into question.

Through the halfway point of the ice mining season, every operation is pulling out all the stops to make it pay. But they'll have to contend with the weight of the past before they can land on future riches.

With less than a week remaining in the shortest ice mining season on record, every crew is battling the clock. But just when they think it couldn't get any harder, a massive Arctic storm descends on Nome.

After a month out on the ice, one day remains in the 2015 ice mining season. For every miner, that's one more day to prove that a season full of risks was worth the cost.