Herb's team fights fire while tussling with a burned-out semi; as whiteouts rage across the 402 in Sarnia, Mark fights his way through a long backup to reach a job; a unique recovery crew faces a heavy load of peat moss and trailer ready to split.

When a rolled-over dump truck spills its load on the 401 in the middle of rush hour, Steve, Sonny and crew must make a split-second decision; Eric and his boss disagree on how to handle a shredded trailer.