With just three weeks to go, everyone is pushing it to the limit to get the freight to Deadhorse before the season ends. Lisa rushes to Carlile to pick up her next load. She's convoying north with Jack Jesse. On the road, he shows her how to avoid spinning out by shifting gears. Hugh and Phil have been doing short turns all week to get storm-delayed freight from Coldfoot to Deadhorse. On today's trip, Hugh discovers that he and Alex are not the only fierce competitors on the ice road. Phil is battling with his nemesis at Carlile, Drew---they get into a heated debate on the CB about who has the most trips this month. Since Hugh's logs are same as Phil's, he thinks they will win this one. Tim and George are delayed again in Fairbanks because George's truck is in the shop. But when they finally get on the road, it's Tim's truck that develops a fatal electrical problem. The rookie is severely disappointed and has to turn back again while George carries on north by himself.

The Ice Road Truckers battle across the continent over frozen lakes, rivers, and ocean. Alex heads farther north than ever before on the deadly Dempster. Hugh and Rick face an impossible task on the thin ice of Manitoba's Winter Roads. In Alaska, veteran Jack Jessee returns to lead a pack of hungry new drivers on Carlile's biggest mission in history.

Alex drives on the Arctic Ocean, to the northernmost Canadian village accessible by ice road. Hugh and Rick face melting ice in a desperate search for missing trailers. In Alaska, a massive oil rig move continues as Jack struggles to mentor impatient young driver, Austin Wheeler. And, it's judgment day for the Dalton rookies as both Darrell and Porkchop meet with the boss to see if they pass their training runs.

In Alaska, the clock is ticking on the Dalton as the deadline to deliver a massive oil rig pushes every driver to step it up to get the job done. Will the pressure of his first ice crossing cause one rookie to crack? Plus, Alex races to deliver a load to a village across an icy river delta, but a looming storm threatens to trap him just inches above the rushing current. And, Hugh and Rick fight the melting winter roads to deliver their first load of the season to Winnipeg, when a rookie mistake leaves Rick in the line of fire.

The biggest storm of the season hits the Haul Road. A trailer malfunction leaves Jack Jessee in danger of getting stranded as the brutal weather closes in. Darrell tries to push through the blinding whiteout, and Porkchop visits the boss to answer for career-ending mistakes. Eager rookie Austin Wheeler is free of former mentor Jack Jessee, but in the brutal winter conditions, his impatient actions threaten to shut down the haul road. In Manitoba, Canada, Hugh and Rick take on their second load of the season, transporting vital water tanks to the remote community of St. Theresa Point. But getting to the remote village means crossing a newly opened section of the winter roads, and taking their heavy loads across untested ice.

With the Dalton shut down, every haul road driver fights to make their delivery as the DOT scrambles to reopen the road. Austin spent the night on the north slope after going into the ditch. Darrell is up early to keep his lead in the load count. But a tragic wreck changes his plans. Jack wakes up in Coldfoot after being forced to remove two wheels from his trailer and news of the wreck has him scrambling for information. While the rest of the Dalton drivers fight the remnants of the storm, Porkchop is miles away in Fairbanks after being pulled off the road by Lane. On the Dempster, Alex is racing south to get another load, but the storm that recently ravaged the Dalton is headed for the Yukon. Alex must race the storm to make it south and back before the road shuts down. In Manitoba, the brutally warm condition of the winter roads have made driving nearly impossible. Hugh and Rick are doubling down, taking on a load of two massive cement trucks.