‘Her scarf had been knotted tightly around her neck and it was obvious she had been killed with great determination …’Susan Andrews has been murdered and her body found near a disused airfield. The case is now in the hands of Detective-Superintendent Simon Manton, but Susan’s father, a former detective-inspector, decides to investigate himself.Important questions soon emerge — what part has a philandering salesman with a scratched cheek, or the dreamy undergraduate son of the local gentry played in Susan’s final hours? And, how much evidence must you have against a suspect before you can charge them with murder?