A tractor-trailer rolls over in an icy median; the oldest member of Duncan's team takes on the most dangerous job; a fiery wreck in Toronto turns Steve's crew into a pit crew; swapping wheels in a race against rush hour.
Lorsqu'un semi-remorque se renverse sur un terre-plein glacé, un travailleur plus âgé se charge de la tâche la plus dangereuse.
