The Ice Road Truckers return to Alaska, hauling their biggest loads ever across the most dangerous terrain they've faced. But this year, trucking critically needed cargo north to the oil fields of Prudhoe Bay is just the beginning. Reigning king Jack Jessee looks to defend his title. Lisa Kelly fights to prove herself in the male-dominated profession. Rookie Ray Veilleux has come north to run the road. Continuing their decades-long rivalry, veteran drivers Hugh and Alex are back racing neck and neck.