Mikey joins the Canadian Rangers for an extreme outdoor training experience farther north than he's ever been. While he's gone, a military Aurora takes refuge in Buffalo's hangar for important repairs – pushing Buffalo's own mechanics out into the bitter cold. What should be a simple fix turns into a multi-day ordeal and the Air Force has to go head-to-head with Chuck. Joe flies to California to bid on a fleet of firefighting planes that could revolutionize his company. But he discovers he has tougher competition than he ever expected.