On the Dalton, Austin's trying to prove himself in a heavy haul convoy, but pushing the 100-ton modular building through blowing snow leads to a rookie mistake that threatens the mission. Word of Jack Jessee's return gets Darrell Ward on the road early, but the Montana log hauler's quest to become the new haul road ace is derailed. Porkchop's been struggling with a series of deliveries off the Dalton. With Rick still out of commission, Hugh makes a hail mary play to save his season. Alex is dispatched with a time sensitive load bound for a remote mining operation, but the one lane mine road push the veteran and his truck to the limit.