Caribou run amok on Main Street during cabin-fever season, which finds Walt abusing his prescription for seasonal affective disorder, Joel and Maggie snowbound at the airport and Ruth-Anne trying to learn Italian so she can read Dante's "The Divine Comedy" in the original language.

Joel finds a kindred spirit with whom to exchange "doctor talk"; the Tambo-Vincoeurs take in Maurice following an explosion at his home; and Chris puzzles over a series of meaningful coincidences involving a deer.