The warriors of the ice roads are back, hauling vital cargo to remote communities over some of the most dangerous routes in the world. But, this season, the toughest job in the world just got tougher.
The season claims its first victim; Jack returns to defend his crow and faces-off against Greg; Lisa makes a decision that will haunt her; Ray gets a hard introduction; Alex challenges Hugh.
Trailer breaks and trash talk threaten Lisa’s comeback; Greg reignites his rivalry with Jack; Alex tries to build his lead; Hugh returns to Alaska; engine troubles plague Ray.
Jack, Hugh and Alex have some near missises; Ray and Greg convoy through the storm, but a break-down leaves Greg ready to quit; Lisa is determined to prove she is more than a pretty face.
Alex faces a white-out; Hugh and Jack run together for safety, but bad blood heats up; Ray and Lisa make rookie mistakes that send them rolling directly into the heart of the storm.
Jack battle a storm to deliver supplies to Nuisqut, Lisa battles the elements and the law; Ray makes a mistake on a night run; Alex’s trash talking stirs Polar Bear; Hugh races to Coldfoot.
Jack has a near head-on collision; Hugh gets an earful from an American driver; Alex picks up a hitchhiker; Ray takes on Atigun pass; Lisa tries to get back on the road.
Jack is stranded by an avalanche; Ray faces the Dalton with premonitions of death; Lisa tries to get back in the race Hugh risks a head-on collision at 4,700 feet at Atigun pass.
Lisa hauls 100 tons through the state of Alaska; Alex races to keep pace; Greg could be a hero of the road, but a spin-out finally sends him over the edge.
A Dalton truck flip leaves two men injured and one missing; Alex is thrust into turmoil; a careless mistakes plagues Lisa; Greg fights for his job; Ray has a scary realization; Hugh devises a plan.
Jack tries to reach the isolated town of Bettles; Lisa’s road to redemption is dangerous; Greg hauls the biggest load of his career and Alex tries to one-up Hugh—but the Polar Bear fights back.
Ray run’s into a rookie nightmare; Lisa roars up the Dalton with a bear cage in tow; Polar damages his load when he ignores his poorly loaded cargo.
Ray spins out into oncoming big rigs; Jack battles a 200-ton haul; Alex risks a bust by the DOT; Lisa raises cash to buy back her horse; Greg drives into mechanical problems.
The truckers form a convoy for the first time to cross softening ice to deliver critical supplies to Nuiqsut while avoiding a watery grave.
Ray honors a Haul Road legend but winds up in danger; Lisa gets her big break; Alex is busted; Jack hauls an explosive load and Greg trucks an unstable mega-reel of pipe.
Drivers race to rack up loads for the Dash for Cash. Jack and Lisa convoy together; Greg and Ray use the buddy system until Ray hits Greg where it hurts; Hugh gets busted for speeding
Tensions between Ray and Greg explode on Atigun; Lisa’s best season is on the line; Jack’s hope to repeat as King of the Haul Road is in jeopardy; Alex tries to beat his nemesis.
