30 Chapters
- 1 Why This is Written.
- 2 The Bracelet and the Palm.
- 3 The House with the Portico.
- 4 The Woman.
- 5 The Unseen.
- 6 Hand and Heart.
- 7 The Mystery is Increased.
- 8 The Stranger.
- 9 From the Unknown.
- 10 The Girl in Blue.
- 11 The Fourteenth of October.
- 12 “It is his!”
- 13 The Enchantment of a Face.
- 14 A Revelation.
- 15 What I Saw.
- 16 The Inner Room.
- 17 The Marble Hand.
- 18 Mystery Inexplicable.
- 19 My Unknown Wife’s Story.
- 20 How Many Yesterdays?
- 21 Gedge Tells the Truth.
- 22 Broken Threads.
- 23 I Make a Discovery.
- 24 The Master Hand.
- 25 The Person who Knew.
- 26 Edna Makes a Proposal.
- 27 More Scheming.
- 28 Two Words.
- 29 The Enigma.
- 30 Conclusion.