On B.C.'s Coquihalla Highway, an early snowfall catches truckers off guard and puts Jamie Davis face to face with a heavy fuel tanker; sparks fly when James Luke and The Black Sheep try to rescue a semi in deep snow.

Jamie tests the limits of his classic wrecker against a rock crusher in a gravel pit; Mitch and James scramble to save a truck and camper on an icy cliff; Colin finally gets a crack at Mighty Mo's push bumper.

When a dump truck and trailer crash into dense bush, Al Quiring and Sons become heavy rescue lumberjacks; with the help of Gord Boyd, Team Green overcame environmental obstacles and a twisted wreck trapped in the trees.

In Hope, Jamie, Colin and Cam battle heavy rains to recover a rolled semi blocking the highway through town; with traffic to The Coq cut off and a trailer full of cooking oil starting to rip, Jamies crew must get the road open.

Near Merritt, a parcel delivery truck is torn open, scattering hundreds of packages across The Coq; facing high winds, high speed traffic and the threat of falling rocks, Reliable Towing overcomes numerous obstacles to clear the wreck.

A cliffside recovery on the banks of Coldwater River puts James and Adam on thin ice; Colin makes a roadside repair in the middle of a winter storm; Al and Gord race to move a house off a busy highway.

Merv is dispatched in Aggressive Towings 50-ton rotator to open the road after a collision in Fraser Valley; Jamie takes a classic wrecker on a 2,000-kilometre journey north; news about a key member of the Mission Towing family hits home.

Winter strikes hard and fast as Jamie Davis and his heavy rescue crew face tough new challenges in Hope, BC; a former operator returns but a spectacular wreck pushes him to the edge on his first mountain recovery.

Jamie helps Colin recover a massive wreck near the "Rock Cut"; Brandon confronts his fears on the big job; Al Quiring tackles an overturned truck loaded with lava rock.

Jamie Davis travels across North America to explore the roots of heavy rescue, from the first tow truck, to the latest modern machines; his classic restoration, the Mighty Mo, finally comes to life.

Jamie battles a truck fire on the Coq and reveals big changes to his operation.

Jamie Davis Heavy Rescue's 'A' team, Adam and Kevin, spend a busy morning clearing spun-out semis off the road when word comes that a multi-vehicle pile-up has closed down both northbound lanes.

Jamie Davis, eager for the winter season to begin, has one thing on his mind - amp up his manpower and his equipment, so he's ready for anything that happens on the mountain. He has brought back a big crew - Adam Gazzola, Narayan Samy, Kevin Ritchie, Rob Mitchell, Bruce Hardy, Ken Monkhouse, the new guy Gord Lundin, and Davis' stepson Brandon Kodallas. Everyone has big, but not always realistic, expectations for the winter ahead.

A missing truck driver trapped inside a wreck for two days draws Jamie Davis Heavy Rescue and first responders into one of the most difficult and emotional recoveries in years.

The closures of two major highways cause drivers to voice their frustration leaving Gazzola in a sour mood over all the grief he receives. Ken Monkhouse arrives at a job to find that the competition has gotten the jump on him. Responding to a woodchip wreck, Davis, Gazzola and Ritchie disagree on how to recover the wreck, leaving Davis to do his own swamping. Later, when a heavy SeaCan tips over, Davis and his rotator are pushed to their limit. Monkhouse, realizing he needs help in the car towing division, invites Kodallas for a lesson in a new truck, but Kodallas has words with his stepfather and walks off in a huff. Monkhouse then turns to the new guy - quiet, tattooed Lundin - testing him out on a tough tow lesson.

As British Columbia's heavy rescue heroes gear up for another winter, Jamie, Al, Jason, and Ken team up to look back at each other's recoveries and take a look ahead at the new season.

A local competitor challenges Jamie's status on the Hill. A trailer full of cat food bursts into flames - and Scott and Gord have to battle for two days to get the burning heap off the Smasher. Bruce gets into a fight that lands him in the hospital.

Heavy rescue has to recover a severely damaged trailer loaded with millions of plastic beads. Spring rains are causing rock slides on Highway 1. When a B-train loaded with lumber drives off a cliff in order to avoid a boulder, Jamie's called in to recover the wreck before it falls down onto an active railroad line.

A troublesome winch line forces Jamie and cousin Paris to find a quick fix; Jordie, faces a twisted wreck that crashed through an airport fence; Al tries to save a logging truck from a rising river.

Jamie's newest classic wrecker, The Python, is put to the test on a tractor-trailer embedded in a row of trees; Ken and Dylan are called up an icy mountain road to recover a flipped logging truck.

One of the worst winter storms in years forces officials to shut down The Coq; working through blinding snow, freezing rain and even an avalanche threat, heavy rescue crews help truckers and drivers out of the closure zone.

An overturned load of heavy pipe becomes an all-out battle for Reliable Towing; Jamie considers buying another vintage wrecker; Mission Towing's Ken Duperon hustles to save a vehicle on the verge of sliding off a snowy mountain road.

When a semi full of mail goes off a cliff, Adam and the crew are sent out to unload and recover it. When a winter-worn cable snaps, narrowly missing Adam's head, Jamie's most senior driver threatens to go on strike.

Tension between Jamie and Adam boil over as they struggle to flip a B-train on a narrow icy road. Adam comes close to quitting, but then backs off when Jamie makes him a promise. A two-car collision closes the snow shed and puts Ken's towing know-how to the test. A truckload of Christmas mail nearly goes off a cliff.

Jamie heads north in B.C. to rescue a tractor trailer that tipped on its side.