The cracks are starting to appear, as Louise is under immense pressure from the police. They suspect murder and begin to look for a motive. Louise is terrified as they ask her to meet them at Mill Cottage for further questioning. But just the thought of returning the scene of the murder is enough to make her physically sick. As the police remove the cordon, the cottage is exactly how they left it and bitterly cold. Blood is still on the stairs, and in her mind's eye the body is still in a dishevelled heap at the bottom - will she ever be free of his haunting image? (thetvdb.com)