Chapter I
The Claires and Dr. Ackrington
Chapter II
Mr. Questing Goes Down for the First Time
Chapter III
Gaunt at the Springs
Chapter IV
Red for Danger
Chapter V
Mr. Questing Goes down for the Second Time
Chapter VI
Arrival of Septimus Falls
Chapter VII
Torpedo
Chapter VIII
Concert
Chapter IX
Mr. Questing Goes down for the Third Time
Chapter X
Entrance of Sergeant Webley
Chapter XI
The Theory of the Put-up Job
Chapter XII
Skull
Chapter XIII
Letter from Mr. Questing
Chapter XIV
Solo by Septimus Falls
Chapter XV
The Last of Septimus Falls