.

The Tragedy In The Cabin.
A few moments later Philip heard the movement of heavy feet, the opening and closing of a door, and for a time after that there was silence.

Had MacGregor anticipated this, he wondered?
Was this a part of the program which the inspector had foreseen that he would play?
His blood warmed at the thought and he clenched his fists.

Then he began to think more calmly.

His captors had not relieved him of his weapons.