On the Dalton, everyone is gunning to be the new haul road ace, but Darrell s plan is derailed by a massive wreck that calls into question his reasons for being in Alaska. Porkchop gets his shot to prove himself with a solo run to a remote Alaskan village, but the sheer cliffs of the access road are more than he bargained for. Austin finally joins a heavy haul team, but a disaster on the grueling 100-ton haul leaves his chance for glory in question. Alex faces the Dempster in reverse, but a sign of trouble on the ice has the veteran riding with an open door ready.