Running away together turns out to be more difficult than George and Tammy imagined, with Tammy's past threatening to derail their hopes for marriage, and with George's past standing in the way of their future as a recording duo.

The only Christmas present Tammy wants is George's sobriety. When he cannot deliver, their relationship hits a crisis point, forcing Tammy to make a drastic threat. When George calls her bluff, however, the two legends find themselves singing much sadder songs.