1CHAPTER V TROUBLE AT THE GATE
12CHAPTER XVI DOYLE’S TREACHERY
2CHAPTER VI MAJOR HARTGROVE’S VISITOR
13CHAPTER XVII A KEY TO A MYSTERY
3CHAPTER VII A HINT TO THE WISE
14CHAPTER XVIII ESCAPE
4CHAPTER VIII DISTRUST
15CHAPTER XIX A DOUBLE RESIGNATION
5CHAPTER IX FLASH ACCEPTS AN OFFER
16CHAPTER XX ACCUSATIONS