A load of lumber spills across the 401 in the heart of Toronto, John Allen heads into the first storm of the season; after an injury on the job, Gary must lean on Collin for a heavy yet delicate recovery; Sonny makes a major change in his life.

The OPP must manage a chaotic scene after a thirty-vehicle pileup shuts down the 401; Mitch sets a tight deadline in his first job as leader of the heavy crew; a semi smashes into a culvert, the Rosss try out their newest operator.

Sonny and his new boss face their first heavy test, fighting a semi frozen hard into the mud; a double collision brings border traffic to a halt in Sarnia, forcing Gary and crew to wrangle a difficult load of cargo.

A rolled-over load of scrap metal defies gravity and Kevins patience; the Cornwall crew rides to the rescue of a fire truck; County Towing struggles to get a grip on an icy highway.

The OPP responds to a tragedy that rocks the towing community; when Sonny gets caught on a dangerous stretch of road, he must turn to an unexpected source for help; a truckload of confetti shreds Mitchs nerves.

A compromised trailer breaks apart in Chatham; John Allen maneuvers a truckload of water.

A tractor wedged between an overpass and a guardrail forces the Ross crew into a game of inches.

A massive storm across the southern tip of the province pushes the County crew into an intense double recovery.

Mitch from B&G joins forces with John Allen to clean up a triple collision and a badly leaking tanker; a newly promoted rotator op fights a trailer that's ripping in two; Kevin rushes to clear a wreck in time for an important family milestone.

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.

A massive super-storm blasts across the province; Sonny hurries to help a stranded customer.

When the Classic and Lucky crews battle a trailer ready to break in two, they make a drastic decision, turning to their tree expert and his chainsaw; Mike and David Ross ease out a semi caught between a culvert and a heavy steel coil.

John Allen finds himself in need of a heavy rescue when he gets stuck on an icy side road; a rotator operator takes on a tough challenge when he tries to save a trailer buckling under heavy concrete; a new member joins the Preferred crew.

Racing to prevent a fuel spill, Mitch must execute a complex maneuver he's never tried before; Adam attempts to help out a group of drivers stranded on a dangerous hill; when James Ireland faces a tough wreck, he turns to his wife, Fabiana.

Sonny needs to pull off an urgent recovery with all eyes on him; a tight recovery puts Duncan right up against a live lane of traffic; Gary's crew takes on the last big rollover of the winter as a blast of frigid weather makes the job more difficult.