“No, John. It is not like that.” Sherlock’s hand landed on Watson’s own, fingers gripping tight. “I can not say if she is utterly unaware of their connection, or if she knows and considers the matter with indifference, but betraying two fellow… fellows… to church or law? It is not a task I would undertake.” Sherlock’s smoothed his companion’s sleeve. “You know my opinion of blackmailers.”

“Then what?”

“Quite simply? She has a suspicion of murder – and one of those two men is the intended victim.”