Amy Pond and Rory Williams are trapped on a crashing space liner, and the only way the Eleventh Doctor can rescue them is to save the soul of a lonely old miser. But is Kazran Sardick, the richest man in Sardicktown, beyond redemption? And what is lurking in the fogs of Christmas Eve?
Detached from a world overrun by technology & suspicion, a recluse lacks meaningful human interaction. When he begins to disappear, will his race to make real human connections be enough to save him?