On the Dalton, Austin is 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 entire 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 by notorious Atigun Pass. Porkchop has been struggling with a series of deliveries off the Dalton, but at dispatch he gets an unexpected load. With Rick still out of commission, Hugh makes a “Hail Mary” play to save his season by drafting a ragtag team of drivers into a convoy across the ice; it’s a high risk gamble that puts his life in the hands of an ice road rookie. Alex is dispatched with a time sensitive load bound for a remote mining operation, but the sheer cliffs and soft shoulders of the one lane mine road push the veteran and his truck to the limit.