The password is: _Fidelity."_ "Do you mean to go ?" Iris asked.
"Do I mean to be murdered!" Sir Giles broke out.

"My dear child, do pray try to think before you speak.

The Sergeant will represent me, of course." "And take the man prisoner ?" Iris added.
"Certainly!" With that startling reply, the banker hurried away to receive the police in another room.

Iris dropped into the nearest chair.

The turn that the affair had now taken filled her with unutterable dismay.
Sir Giles came back, after no very long absence, composed and smiling.
The course of proceeding had been settled to his complete satisfaction.
Dressed in private clothes, the Sergeant was to go to the milestone at the appointed time, representing the banker in the darkness, and giving the password.