"You found Mr. Arlington?"
"No, sir; he wasn't in when I asked at his hotel. But I left a message before coming on for you."
Matthias sat up with a start. Instead of turning up Broadway the man was steering his car straight across Longacre Square. Before he had time to comment on this fact they were speeding on toward Sixth Avenue.
"Look here," he cried, "you're not taking me to Mr. Marbridge's home!"
"No, sir."
"But—"
"Mr. Marbridge hadn't gone home when he telephoned me, sir."
"Where is he, then?"
"We'll be there in a minute, sir—an apartment house on Madison Avenue."
"Oh!" said Matthias thoughtfully. "Was Mr. Marbridge—ah—alone when you left him tonight?"