“No my dear lady,” he said. “We don’t give a case up so easily. If I have to keep sentinel over your establishment for a month or more I shall not be disheartened. I shall make sure of my man sooner or later—​that is unless he has been warned by some one.”

“I have not mentioned the subject to a living soul,” cried Mrs. Sanderson. “It is not likely I should do so after the caution I received from you.”

“I am well assured of that, madam; these matters generally require time and patience. We shall succeed eventually, I’ve no doubt.”

Again, as on the previous night, Mr. Wrench betook himself to his sentry-box, where he again passed many cheerless hours, with no better result.

He left at daybreak, and made his appearance at the hotel a little before closing time.

“He is a most devoted and punctual lover,” said one of the chambermaids to the cook. “I call him a model man.”

“An’ aint he good-looking? He’s a little too good for missus. What’s his business?”

“Something in the City, I believe.” This answer was given at random—​something in the City is such an indefinite term.

Mr. Wrench again took up his position.

For eight consecutive nights he went through the same formula.