DI James Walker is ready for a quiet family Christmas in the sleepy village of Kirkby Abbey.But when he opens an early Christmas present left on his doorstep, he soon realises it is no gift. Inside is a gruesome surprise, and a promise - twelve days, twelve murders. Not long after, the first body is found, half frozen in the snow.As the blizzards descend, panic spreads through the remote Cumbrian village - there's a killer amongst them, and with eleven more victims to go, anyone could be next....