With winters first blow, new recruit John must save a snowplow stuck in an icy river; while Jamie pushes further into new territory, changes rock the company, forcing Colin to take on a new role; the community says farewell to a Heavy Rescue legend.

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.