After forty years in Hell, Dean's more than willing to accept the offer: become a guardian angel and earn his freedom. But his new ward seems destined to hunt alongside Sam, and there are secrets in Heaven that the angels don't want found out. Dean's going to have to choose between his duty and the people he loves- and to work out just where Castiel fits in.

Yes.

Christmas in the Milton household was difficult enough without the added complication of guests- and if Luke and Gabriel placing bets on who can get with Sam first wasn't bad enough, then Cas developing a ridiculous crush on his sister's boyfriend definitely is.