He brought his car from the garage, and lost no time in finding a suitable place to arrange his wireless equipment. Despite his hurried preparations, he gained immediate results. A reply came in the secret code.

Harry sent a quick report of what had transpired. He had worded the details while he was driving in the car. He expected an immediate response.

He was somewhat disappointed when he received word to tune in at nine o’clock. He felt that action must be quickly taken.

He pondered on this subject as he returned to Blair Windsor’s estate. There would not be a great deal of information coming with the WNX broadcast.

Probably he would be ordered to reopen communication with his wireless set; or to bide his time for the present.

Yet he felt that his situation was growing untenable. Crull must now recognize him as an enemy. Vernon would be suspicious, also.

What if he should tell his true story to Blair Windsor?

That would be serious for his enemies — particularly Vernon.

Windsor might not believe that Crull was implicated. Blair was too open-hearted a fellow to suspect one of his guests. Perhaps he might feel the same about Vernon, a servant of many years. But Harry believed that he could convince Blair Windsor of the true situation.

Danger was threatening.