The master of the priory

Frank Carlyn quarrelled with his gamekeeper, Jack Winter, and then appeared to be quite agitated. Soon after, Winter was found shot dead with his own gun. Suspicion was aimed primarily at the late man's wife, seen rushing to catch a London train, and then vanishing. 12 months later, enigmatic governess Elizabeth Martin arrives to take up her duties at Davenant Priory. But what is Miss Martin's secret and what connects her to the sinister slaying committed but one year earlier?