With temperatures on the rise, conditions on the ice roads quickly deteriorate. The truckers from Polar and VP Express are pushed to the brink, crossing thin ice on their way to deliver critical loads. Lisa and Todd go where no other trucker this season has gone before, tackling a remote road that's completely untouched. After cutting ties with Polar, Darrell races to deliver loads to make up for lost time. Art's mishaps on the ice roads could cost him his job.