The return of the documentary following the emergency services and breakdown recovery teams risking their lives to come to motorists' aid.
In the highlands, snowplough drivers Chris Tate and Donald Mackenzie fight to keep the Applecross Pass open following heavy snow.
As one of the wettest years on record comes to a close, the RAC, Scotland's Highland Council and heavy vehicle recovery companies around the country attempt to deal with chaos on the roads.
During the coldest snap of the century, the teamsneed to deal with deep snow and reduced visibility on the roads.