Baskerville Hall Dartmoor
15 October 1889
My Dear Holmes,
I am now able to answer the question at the end of my last letter. I know why Barrymore signalled with a candle.
First, let me tell you about Sir Henry and Miss Stapleton. I told you that they are very friendly. I have found out that Sir Henry is in love with her. The truth is he wants to marry her.
Yesterday morning he said to me, 'I am going to see Miss Stapleton. I want to go alone.'
'But Mr Holmes told me to stay with you,' I said. 'You must not go across the moor on your own.'