A human leg is discovered in a suburban freezer. The victim is a teenage girl killed some ten years earlier. But then other body parts start appearing. And these ones are male, dark-skinned, and very fresh . . .
Is this a tangled tale of love gone wrong? Or are there sinister lines connecting the dead engineer to a recent suicide in a Cardiff prison, and an engineering company that's up to a whole lot more than is first apparent?
Fiona Griffiths starts to investigate, in the midst of the coldest winter on record. Up in a remote cottage in the Welsh Black Mountains, she finds the data that contains the clue to the entire mystery . . . but, as the first snow starts to fall, she discovers that she's not alone.
