Diefenbaker is ordered to be exterminated after he bites a dog catcher but Fraser is determined to find out why his gentle wolf bit a human.

A plane crash blinds Fraser and strands the pair in the wilderness. Fraser and Ray's vacation to Canada to rebuild his father's cabin doesn't go as planned when it turns out the pilot of their airplane is actually an escaped felon. The felon jumps out of the plane, causing it to crash. Fraser is blinded in the crash, and eventually loses the use of his legs. Ray tries to carry Fraser out of the woods, and the two cops still have to catch the felon, while dealing with the ghosts of their two fathers.

Ray and Fraser team up with Anita Cortez to protect their countries diplomats at a NAFTA convention, and a series of mishaps land Fraser with envelope duty, until he and Cortez can put aside their mutual enmity to work together.

Kowalski stakes out a crypt to face his nemesis; Internal Affairs investigates Vecchio.