It’sthedeepestpartofwinter’theexactmidpoint’ChristmasEve–halfwayoutofthedark.AmyandRoryaretrappedonastrickenspacelinerthat’splummetingthroughbanksofthickicyfogtothesurfaceoftheplanetbelow.Onlyonemanhasthepowertosavethem;onlyonemanisinpossessionofamachinethatcanclearthefogandletthemlandsafely.ThatmanisKazr...
