When a lumber truck and diesel tanker collide, the flaming wreckage is the biggest recovery of Colin's career; as snowstorms pummel the Coquihalla, Al Quiring heads up the hill; in freezing rain, John faces off against a mangled tractor.

Al Quiring races to recover a trailer and open the TransCanada before the morning rush; Jamie runs a race of his own when a semi carrying a load of pharmaceuticals plunges down a bank; in Alberta, the burdens of running the shop solo take a toll on Colin.