It was a clear, fine night, and both gentlemen formed conspicuous figures, Sir Brian because of his unusual height and upright military bearing, and the Frenchman by reason of his picturesque cloak and hat. Up Northumberland Avenue, across Trafalgar Square and so on up to Piccadilly Circus went the two, deep in conversation; with the tireless man in the raincoat always dogging their footsteps. So the procession proceeded on, along Piccadilly. Then Sir Brian and M. Max turned into the door of a block of chambers, and a constable, who chanced to be passing at the moment, touched his helmet to the baronet.

As the two were entering the lift, the follower came up level with the doorway and abreast of the constable; the top portion of a very red face showed between the collar of the raincoat and the brim of the hat, together with a pair of inquiring blue eyes.

“Reeves!” said the follower, addressing the constable.

The latter turned and stared for a moment at the speaker; then saluted hurriedly.

“Don't do that!” snapped the proprietor of the bowler; “you should know better! Who was that gentleman?”

“Sir Brian Malpas, sir.”

“Sir Brian Malpas?”

“Yes, sir.”

“And the other?”

“I don't know, sir. I have never seen him before.”