“Well, we have nothing else to go upon⁠—no evidence of any kind.”

“Have you formed a theory about how that bell rang?”

“Well, I must confess that it beats me. It was a cool hand, whoever it was, to go and give the alarm like that.”

“Yes, it was a queer thing to do. Many thanks to you for what you have told me. If I can put the man into your hands you shall hear from me. Come along, Watson.”

“Where are we going to now?” I asked, as we left the office.

“We are now going to interview Lord Holdhurst, the cabinet minister and future premier of England.”