"It's all right," she said. "Now, I'll take this to that tong leader—he's in a room only just across the hall."

She went out.

Kennedy at the detectascope was very excited as this went on. He now jumped off the chair on which he had been standing and rushed to the door to head her off.

To our surprise, in spite of the fact that we could turn the key in the lock, it was impossible to open it!

It was only a moment that Craig paused at the door. The next moment he burst into 509, followed closely by me.

With a scream, Elaine was on her feet in an instant.

There was no time for explanations, however.

He rushed to the door to go out, but it was locked—somehow, on the outside. The skeleton key would not work, at any rate.

He shot the lock, and dashed out, calling back, "Walter, stay there—with Elaine."

Mary had just succeeded in getting on the elevator as Kennedy hurried down the hall. The door was closed and the car descended. He rang the push bell furiously, but there was no answer.