I. The Drama of the Rue Norvins
II. Thomery's Two Loves
III. Unexpected Complications
IV. A Surprising Itinerary
V. Mother Toulouche and Cranajour
VI. In the Opposite Sense
VII. Pearls and Diamonds
VIII. End of the Ball
IX. Finger Prints
X. Identity of a Navvy
XI. An Audacious Theft
XII. Investigations
XIII. Rue Raffet
XIV. Someone Telephoned
XV. Vague Suspicions
XVI. Discussions
XVII. An Arrest
XVIII. At the Bottom of the Trunk
XIX. Criminal or Victim?
XX. Under the Hooded Mask
XXI. In a Prison Van
XXII. An Execution
XXIII. From Vaugirard to Montmartre
XXIV. At Saint Lazare
XXV. A Mouse Trap
XXVI. In the Trap
XXVII. The Imprint
XXVIII. Courage