内容简介：
那一晚，一辆来自伦敦的下行列车停靠在Ramsdon的乡村小站，车上只下来一个乘客。这个男子中等个头，衣衫褴褛，宽肩长臂，胸部又宽又厚。他的脸被浓密的黑色卷发、连鬓的络腮胡和唇须遮盖……
这是一部关于一个阴谋的小说，始于一个陌生人从伦敦来到小镇。
目录：
CHAPTER I. THE LONE PASSENGER
CHAPTER II. THE FIGHT IN THE WOOD
CHAPTER III. A COINCIDENCE
CHAPTER IV. A WOMAN WEEPS
CHAPTER V. A WOMAN AND A MAN
CHAPTER VI. A DISCOVERY
CHAPTER VII. QUESTION AND ANSWER
CHAPTER VIII. CAPTIVITY CAPTIVE
CHAPTER IX. THE ATTIC OF MYSTERY
CHAPTER X. THE NEW GARDENER
CHAPTER XI. THE PROBLEM
CHAPTER XII. AN AVOWAL
CHAPTER XIII. INVISIBLE WRITING
CHAPTER XIV. LOVE-MAKING AT NIGHT
CHAPTER XV. THE SOUND OF A SHOT
CHAPTER XVI. IN THE WOOD
CHAPTER XVII. A DECLARATION
CHAPTER XVIII. ROBERT DUNN'S ENEMY
CHAPTER XIX. THE VISIT TO WRESTE ABBEY
CHAPTER XX. ELLA'S WARNING
CHAPTER XXI. DOUBTS AND FEARS
CHAPTER XXII. PLOTS AND PLAYS
CHAPTER XXIII. COUNTER-PLANS
CHAPTER XXIV. AN APHORISM
CHAPTER XXV. THE UNEXPECTED
CHAPTER XXVI. A RACE AGAINST TIME
CHAPTER XXVII. FLIGHT AND PURSUIT
CHAPTER XXVIII. BACK AT BITTERMEADS
CHAPTER XXIX. THE ATTIC
CHAPTER XXX. SOME EXPLANATIONS
CHAPTER XXXI. CONCLUSION