After three decades on the highway, a major change forces Eric Godard to adapt to a new crew on a tough rollover; a vicious pre-winter storm pushes Sonny into urgent on-the-job training; a jet fuel spill shuts down the entire 401.

Steve's crew battles a fiery wreck in the heart of Toronto; the OPP takes to the air to keep the roads safe; when freezing rain ices up the highway around London, a newly-promoted rotator operator gets his first big test.