The Evil Shepherd by E. Phillips Oppenheim

Punctual to his appointment that afternoon, the man who had sought an interview with Francis was shown into the latter's study in Clarges Street.

He wore an overcoat over his livery, and directly he entered the room Francis was struck by his intense pallor. He had been trying feverishly to assure himself that all that the man required was the usual sort of help, or assistance into a hospital. Yet there was something furtive in his visitor's manner, something which suggested the bearer of a guilty secret.