Jamie's new B.C. crew struggles with a mangled trailer on a blind corner; when Colin slips up on a big recovery in Alberta, Jamie's brother must take over the job, even though he's a rookie on the rotator; Brandon steps up to a new role.

A semi plows off a bridge, leaving a trailer and three RVs dangling over a raging river; John must get holiday traffic moving and prove himself on a multi-part recovery unlike anything they've faced.