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 balance of power is turned upside down. Darrell tries to turn his upstart company into a force by poaching an ice road legend from Polar, sparking an all-out war on the frozen frontier.
Art crosses one of the longest winter roads in the world; Todd must dig himself out from snow; Darrell takes a load over a newly-opened road littered with abandoned trucks.
Todd tries to deliver the heaviest haul in Polar history; Art’s on a high-stakes mission; Lisa lands a contract; Darrell steals a load from Polar, leading to a clash with Mark.
Mark brings in Mike who has a rocky trip with Art; Todd and Darrell hit a newly opened trail; Alex gets relies on instinct to find his way; Lisa faces a trucker nightmare on a dangerous crossing.
New owners Darrell and Lisa get a jolt from a high-stakes mission; Todd runs into trouble with a government contact; Art’s season is headed for the gutter; Mike tries his first solo trip.
Darrell and Lisa could lose everything when Darrell’s truck breaks down; Todd tries to recover lost freight; Rookie Mike’s inexperience costs him; Art fights for his life on the ice.
Art struggles to keep his rig above ground; Alex fight up a mud-covered mountain; Lisa and Darrell travel a trail at ground zero of the thaw, where getting stuck could doom their company.
During an early thaw, Darrell and Lisa struggle to make it home over a hard trail; Art and the King of Obsolete reunite; Alex races against the clock to deliver; Todd conquers a melted ice crossing.
The two rivals join forces to take on the biggest challenge in IRT history—pulling a cat train across the Hudson Bay. But it becomes a desperate fight for survival.
In the dramatic season finale, Lisa and Todd try to cross Hudson Bay; Darrel braved a torn-up trail; Art faces the last open crossing; a tanker sideswipes Alex.
