"On a remote Highland mountain, a body burns. All that's left behind are the victim's teeth and a fragment of silk. Meanwhile, in the hidden room of a house in Edinburgh, a second woman screams into the darkness. It's D.I. Luc Callanach's first day with Police Scotland, and he's handed a homicide investigation. With everything to prove, he and his new colleague D.I. Ava Turner are up against a killer who meticulously covers his tracks. When a third woman is taken, Callanach is desperate to prevent another innocent death--but the real fate of these woman is more twisted than he could have ever imagined..."--Back cover.