When a Haul Road legend dies, Ray leads the trucker's son to scatter his ashes on Atigun. But the son's blunders on the Dalton could get them killed before they make it. Lisa gets her biggest break yet when she's assigned to push-truck a monster load to Prudhoe. Alex discovers Alaskan gold, but is later busted by the DOT for violations. Jack's hauling a highly explosive fuel load when he comes head-on around a blind corner with a truck parked in the center of the road. Greg faces the challenge of trucking an unstable, 15-foot high mega-reel of pipe.

The Ice Road truckers battle to the last load to determine this year's King of the Haul Road. Tensions between co-leaders Ray and Greg explode on Atigun, giving Hugh a chance to take the lead. Lisa's possible best season ever is on the line, while Jack's hope to repeat as King is in jeopardy. Alex pushes to finally beat his nemesis, the Polar Bear.