(Includes bonus film from YETI.) New business owners Darrell and Lisa get the jolt they need with a high-stakes mission-transformers desperately needed for a distant town’s electrical supply. Polar’s top dog Todd Dewey runs into trouble with a government contract. Truck problems have Polar driver Art Burke’s season headed for the gutter. And ice road rookie Mike Simmons tries to get over the hump on his first solo delivery.