A simple job turns into an urgent puzzle when a flipped semi pulls Jamie back out on the road; Randy Jacknife faces one of the biggest and heaviest challenges of his career against an overturned truck trapped under its load of steel.

As Jamie reaches a difficult crossroads, he looks back over four seasons, revisiting his most challenging wrecks and recoveries; familiar faces from past and present explain what drives them to this dangerous world; a look behind the cameras.