“Why, this one down here in this side-street,” I said, pointing to the building. As I looked at it I saw that the lamp which I had observed on the previous night no longer hung over the doorway.

The constable laughed good-humouredly.

“Get away home,” he said.

I began to tell him my story.

“Get away home,” he repeated—gruffly this time, “or I’ll run you in.”

“All right,” I said huffily, and I made as if to walk down the other road. The constable and the workman grinned to each other and departed. As soon as they were out of sight, I returned to my police station.

It was not a police station! It was merely a rather large and plain-fronted empty house, which had been transformed into a police station, for one night only, by means of a lamp, a desk, two forms, a few handcuffs, and some unparalleled cheek. Jewel thieves they were, but Susan Berry was not among them. After all Susan Berry probably had an invalid sister named Jane Mary.

The first policeman, the cabman, the second policeman, the inspector—these were the jewel thieves, and Susan Berry and I (and of course the Marchioness) had been the victims of as audacious and brilliant a robbery as was ever planned. We had been robbed openly, quietly, deliberately, with the aid of a sham police station. Our movements must have been watched for weeks. I gave my meed of admiration to the imagination, the skill, and the sangfroid which must have gone to the carrying out of this coup.

Going back into the room where Susan Berry and I had spent the night hours, I found that wronged woman sweetly asleep on the form, with her back against the wall. I dared not wake her. And so I left her for the present to enjoy some much-needed repose. I directed my steps in search of Eaton Square, having closed the great door of my police station.

At length I found my whereabouts, and I arrived at No. 441 at five o’clock precisely. The morning was lovely. After some trouble I roused a housemaid, who let me in. She seemed surprised, but I ignored her. I went straight upstairs and knocked at my master’s door. To wake him had always been a difficult matter, and this morning the task seemed more difficult than ever. At last he replied sleepily to my summons.