Lisa and Todd embark on one of the toughest missions of the season, tackling an untamed trail dubbed the 'Highway to Hell'. Darrell Ward steals business out from under his former boss at Polar Industries. A crash could mean the end of Alex's trucking season.

Darrell continues teaching Reno how to drive the ice roads, but Dad's overprotective ways may be too much; Art gets some royal help on a trip far north; faulty wiring could sink Alex's cement load; Lisa and Todd hit a road block in their race to keep Polar in the load count competition.