The individual chapters were:
- The Bank Mystery,
- The Mysterious Message,
- The Warning,
- The Fight,
- Plunder,
- The House of Mystery,
- Caught in the Web,
- The Double Floor,
- The Pearl Necklace,
- Shadows,
- The Flaming Meteor,
- The Poisoned Ring,
- The Tightening Snare,
- At Bay,
- The Duel,
- From Out of the Past.