The Coquihalla is one of the most treacherous major highways in the world. Rising through the steep mountains passes in British Columbia, it is a gauntlet of brutal weather and white knuckle driving. The "Coq" is also the main artery between east and west, with thousands of semis crossing every day. Many don't make it. Jamie Davis Heavy Rescue has the daunting job of clearing these wrecks to keep the highway open. Closure in not an option. For Jamie and his colorful crew, winter season is a non-stop onslaught of tangled semis and blistering weather that would push any man to the breaking point.