Steve's Towing fights to remove the wreckage of a dump truck embedded in an overpass. James Ireland faces a trailer threatening to cave in on his crew. A job in a thunderstorm turns into a crucial test for Collin.

A freak storm unleashes a hundred-car pileup east of Toronto. Kevin fights a tough wreck after a trucker smashes into an orchard. A special police detail goes on a lifesaving mission. The Cornwall crew battles a stubborn jackknife.

When winter hits, the heavy recovery operators of Southern Ontario fight to clear wrecks and keep drivers moving on the busiest stretch of highway in the world. Up to 400,000 vehicles travel Ontario's 400-series highways every day. The section of the 401 through Toronto is the busiest stretch of highway in the world. Highway 402 near Sarnia is an important link to the US Midwest, plagued by blinding lake effect snow squalls. These routes are lifelines for the nation's industrial heartland and for thousands upon thousands of commuters. When disaster strikes on these roads, the pressure is on to get them cleared and reopened. Police and the Ministry of Transport depend on Southern Ontario's heavy recovery operators. To keep closures to a minimum, crews often work just inches from open lanes and speeding traffic. Written by Great Pacific TV

A violent windstorm flips a tractor-trailer on an exposed bridge, challenging Kevin. Just to the north, James takes on a wind-battered wreck of his own. In Sarnia, a tanker rollover creates major challenges for every member of Gary's team.

When winter hits, the heavy recovery operators of Southern Ontario fight to clear wrecks and keep drivers moving on the busiest stretch of highway in the world. Up to 400,000 vehicles travel Ontario's 400-series highways every day. The section of the 401 through Toronto is the busiest stretch of highway in the world. Highway 402 near Sarnia is an important link to the US Midwest, plagued by blinding lake effect snow squalls. These routes are lifelines for the nation's industrial heartland and for thousands upon thousands of commuters. When disaster strikes on these roads, the pressure is on to get them cleared and reopened. Police and the Ministry of Transport depend on Southern Ontario's heavy recovery operators. To keep closures to a minimum, crews often work just inches from open lanes and speeding traffic. Written by Great Pacific TV

A runaway van smashes through a wall and into the path of a full-speed truck. The crew from Herb's has to hurry to save a load of pharmaceuticals. A whiteout on the 400 leaves a smashed semi straddling a barrier.

Gary works solo to open the continent's busiest border crossing. Brad, Eric and crew untangle a sedan badly crushed by a semi. A police constable works to prevent a disaster on the 401. A car plunges through the ice and into the river.

A storm sweeps across the province, sending heavy rescue crews scrambling. In Hamilton, Kevin fights to clear a wreck in time for the plows to get through. A massive pileup on the 401 pushes Herb's crew into a recovery marathon.

A flipped truck blocks access to the airport. Coxon fights a wreck with a toxic payload. The Ross crew clear a trail of destruction. James works to clean up a dangerous spill. Sonny makes a big decision about his future in heavy recovery.

A frustrating recovery threatens to overwhelm Kevin. After a big change in his career, Sonny struggles when a heavy load flips in the middle of the city. Gary and Collin work together to clear a rollover - for the first time ever.