1

      On the day the first woman died, Mark Roper had radio trouble. At the start of his shift, he had been patrolling in the valley, in the deep dead spot where the gritstone plateau blocked out the signal from the telephone interface point at Bradwell. The silence had been unnerving, even then. It had made him conscious of his isolation in the slowly dying landscape, and it had begun to undermine his confidence and stir up the old uncertainties. But Mark wasn’t frightened then. It was only later he had been frightened.

      Normally, this was his favourite time of year – these few weeks of hesitation before the start of winter. He liked to watch the hills changing colour day by day, and the Peak District villages emptying of visitors. But he could tell that today wasn’t quite normal. There was a feeling about this particular Sunday that made him uncomfortable to be alone on Ringham Moor. There was something strained and uneasy in the way the trees stirred in the wind, in the way the dry bracken snapped underfoot and the birds fell silent in the middle of the afternoon.

      As Mark climbed out of the dead spot, his horizon widened until he could see across to Hartington and the Staffordshire border. But even on his way back across the moor towards Partridge Cross, he could not raise his Area Ranger. Maybe the radio handset he had picked up from the briefing centre that morning was the one with the faulty battery connection. Little things like that could change your life forever.

      ‘Peakland Partridge Three to Peakland Zulu. Owen?’

      No matter how many times he tried, his call sign went unanswered.

      Earlier in the year, they had been burning the heather on this part of Ringham Moor. An acrid charcoal smell still clung to the vegetation, and it mingled with the sweet, fruity scent of the living flowers as it rose from the ground under Mark’s boots. In places, the stems had been left bare and white where the bark had been burned off completely. They showed up in the blackened carpet like tiny bones, like a thousand skeletal fingers poking from the earth.

      Mark’s father had