They drive the biggest trucks on earth along the toughest roads and loneliest highways in the world. They are Australia’s Outback Truckers, men and women in monster rigs, on marathon runs, through some of the most inhospitable terrain on the planet. Out here only one thing matters, getting there and back alive!

In Perth, lone trucking operator Steve Grahame is preparing for an epic journey - a 3000km trek to the top of Western Australia. We get to see a former Model now truckie

Mark King is a heavy haulage specialist that has to haul a monster rig to a coal mine 700 kilometres away. It's too big for the road and there's a mountain range to cross. In the wilds of north Western Australia, veteran truckie Steve Grahame is in the middle of an epic journey, trying to deliver essential supplies to a remote community, but the weather and roads are conspiring against him.

Dougal Brett is one unusual truckie, he flies his own helicopter, owns a cattle station the size of a small country and a fleet of live stock trucks. Heavy haulage driver, Mark King is half way through a marathon job. He’s in charge of getting a monster mining truck from Brisbane to the central Queensland. On a lonely dirt road at the top of North Western Australia, veteran Perth’s truckie, Steve Grahame, is a broken man. 50 kilometres short of his destination. Part of a dirt track has collapsed under the weight of his 100 tonne road train.

In far North Queensland, tanker driver Steve Hughes, is loading up for a supply run to remote clients who need fuel before the wet season cuts them off. At a Perth freight depot tempers are fraying. Husband and wife team, Gordo and Shui, have just finished a two-day non-stop drive but bad weather’s caused them delays. Instead of resting at home, the boss has told them to turn around and do it all again. After driving for two days, Mark and Clare have arrived in Adelaide. But the only cargo they’re worried about is Roy. He needs to get to a vet quickly.