Ben, a brilliant physicist and amateur magician, gets more than he bargains for when performing his latest card trick for Maddy, his wife and colleague.

This Christmas, a super frozen object is going to slam into the Earth. In the middle of a small town, and very quickly, dreams of a "White Christmas" will turn into a FROZEN NIGHTMARE.

During the thrilling social change of the mid-1950s, four remarkable women who previously served secretly during WWII as code-breakers, turn their skills to solving murders overlooked by police. In the process they are plunged into fascinating corners of the city, forge powerful relationships, and rediscover their own powers and potential.