As experts predict a short, warm winter, the truckers face their biggest challenge, ricking financial ruin and devastated communities unless they defy the odd and deliver vital supplies.
Art fights to get back on the road after a crash; Alex makes his triumphant return; Mark tests Steph; Lisa faces a monster incline; Darrell runs into long-time rival Todd.
Lisa’s stranded hundreds of miles from the nearest town; Darrell takes an off-road short cut; Art squares off with melting ice; Steph finds out if she’ll be joining the Polar team.
Darrell and Lisa travel “The Death Road”; Art faces the crossing where he nearly died; Todd takes Steph under his wing and she embarks on her very first ice road journey.
21-year-old Steph struggles to complete her first mission; Alex runs into a road block; Art tries to deliver to a remote community; Darrell braves an unregulated winter road.
Darrell faces a trail nicknamed "the obstacle course”; Todd tries to cross a melting ice bridge; Alex is pushed to the limit with an oversized tank; Art stumbles onto a crossing in the dead of night.
Steph’s first solo trip is perilous; Darrel tries a triple delivery in a single day; engine fire stops Lisa dead in her tracks; Todd celebrates his birthday stuck on the edge of a closed road.
Todd must fix his truck of be stranded; Alex confronts a creek; Art receives bad news; Lisa battles an ice crossing unlike anything she’s seen all season.
As the end of the season nears, Mark makes a deal with Darrell and Lisa to join forces in a four-truck convoy; Alex completes a long trail; Art’s truck gives out on the ice.