Detective Inspector Joanna Piercy is at the annual Legal Ball, fending off solicitor Randall Pelham, who wants her to find his missing daughter Deborah. However, it is not Deborah but Sharon Priest who soon occupies Joanna’s mind. When the thaw sets in, Sharon’s frozen body is exposed on the moors; and its horrific injuries reveal that Joanna and her team have a shocking murder on their hands. And not just one, either.