This short story revolves around a plot to steal some goods secured safely within an impenetrable vault within the confines of Mr. Stoughton’s business concern. Mr. Stoughton is the owner of a legendary vault that no one has ever been able to open. Though he can’t be sure that the safe contains anything valuable, speculation is rampant among those who know of its existence. Will anyone ever be able to find out what the vault holds? Find out in this fast-paced mystery story from Anna Katharine Green. This is classic Green, with lots of high drama and a twisting, many-layered plot turning on stubbornly kept secrets and the fine points of physical and circumstantial evidence.