The three detectives approach Merripit House, and Holmes insists that they all tiptoe so they are not heard. Hidden behind some rocks, the group observes Sir Henry and Mr. Stapleton chatting over coffee. Sir Henry seems nervous, perhaps pondering the long walk home across the moor.
Just then, Stapleton gets up and heads outside, letting himself into a small outhouse where the hidden group hears some strange scuffling. Meanwhile, a thick fog starts to settle and spread across the moor, and the group gets nervous as the visibility gets worse and worse. Once the fog engulfs the path from Merr…
