| BOOK I |
|---|
| Chapter | | Page |
| [I.] | An Accidental Spy | 1 |
| [II. ] | At the Café Montmartre | 11 |
| [III. ] | A Mysterious Disappearance | 18 |
| [IV. ] | The Falling of the Handkerchief | 26 |
| [V. ] | Love at First Sight | 33 |
| [VI. ] | The Vanishing Lady | 40 |
| [VII. ] | The Decoy-House of Europe | 48 |
| [VIII. ] | "Duncombe's Hold-up" | 55 |
| [IX. ] | The Story of a Call | 64 |
| [X. ] | Spencer's Surprise | 72 |
| [XI. ] | A Word of Warning | 80 |
| [XII. ] | The Shadowing of Duncombe | 87 |
| [XIII. ] | "Her Voice" | 93 |
| [XIV. ] | Laughter of Women | 101 |
| [XV. ] | Miss Fielding from America | 107 |
| [XVI. ] | Miss Fielding asks a Question | 115 |
| [XVII. ] | George Duncombe's Lie | 121 |
| [XVIII. ] | "Who Are These People?" | 129 |
| [XIX. ] | A Hillside Encounter | 137 |
| [XX. ] | Mr. Fielding in a New Rôle | 143 |
| [XXI. ] | A Woman's Cry | 151 |
| [XXII. ] | Lord Runton is Suspicious | 160 |
| [XXIII. ] | Her First Kiss | 171 |
| [XXIV. ] | The Empty Room | 179 |
| BOOK II |
|---|
| [I. ] | Guy Poynton again | 185 |
| [II. ] | An Old Story | 192 |
| [III. ] | A Body from the Seine | 200 |
| [IV. ] | The Insolence of Madame la Marquise | 208 |
| [V. ] | The Interviewing of Phyllis | 217 |
| [VI. ] | The Blundering of Andrew | 225 |
| [VII. ] | Spencer gets his Chance | 234 |
| [VIII. ] | A Political Interlude | 243 |
| [IX. ] | Arrested! | 251 |
| [X. ] | The Checkmating of Monsieur Louis | 259 |
| [XI. ] | The Making of History | 267 |
| [XII. ] | An Old Friend | 276 |
| [XIII. ] | A Newspaper Sensation | 285 |
| [XIV. ] | The Man who saved his Country | 294 |
| [XV. ] | A Merry Meeting | 301 |