Icarus Kane and Cora Mae Jenkins have left London on their honeymoon. They've left the fate of the city in the capable hands of Archimedes Merriweather and Lucia Conti. While the Grand Master is away for peace talks, Lucia and Archie hope to be able to focus on their own budding romance. But, rumors of a dark mage practicing in Kensington has them racing to Summer Ridge Estate to investigate. Christmas has come to London, but this holiday will not be jolly unless they can discover who is involved with the dark mage. Lucia and Archie fear that the only red they'll see is the red of blood on snow. 
Can our intrepid heroes save Summer Ridge, and themselves, before the darkness overtakes them all?