Her name is Sandy. You might know her as the loving wife of Detective Superintendent Roy Grace. But there's more to her than meets the eye. A woman with a dubious past, a complicated present and an uncertain future. Then she was gone. Her disappearance caused a nationwide search. Even the best detective on the force couldn't find her. They thought she was dead. Where did she go ? Why did she run ? What would cause a woman to leave her whole life behind and simply vanish ?