Three very different women come together at isolated Baikie’s Cottage on the North Pennines, to complete an environmental survey. Rachael, the team leader, is still reeling after a double betrayal by her lover and boss, Peter Kemp. Anne, a botanist, sees the survey as a chance to indulge in a little deception of her own. And then there is Grace, a strange, uncommunicative young woman, hiding plenty of her own secrets. Rachael is the first to arrive at the cottage, where she discovers the body of her friend, Bella Furness. Bella, it appears, has committed suicide – a verdict Rachael refuses to accept. When another death occurs, Detective Inspector Vera Stanhope enters the picture…