1On Baker Street
9Interviewing Staff
2The Arrival of Miss Doyle
10Discovery in the Corridor
3Miss Doyle's Story
11To the Officers' Club in Whitehall
4Journey into the Marshland
12Captain Blake's Story
5Arrival at Ashcroft Manor
13Return to Ashcroft Manor
6Sir Charles' Bedroom
14The Meeting in the Parlour
7Holmes' Thorough Investigation
15The Truth Comes Out
8Secrets of the Garden
16Epilogue on Baker Street