"They have imprisoned me here.

I have been here since I awoke--at least three days." The intruder seemed about to speak, heard something, glanced swiftly at the door, and suddenly left Graham and ran towards it, shouting quick incoherent words.

A bright wedge of steel flashed in his hand, and he began tap, tap, a quick succession of blows upon the hinges.

"Mind!" cried a voice.

"Oh!" The voice came from above.
Graham glanced up, saw the soles of two feet, ducked, was struck on the shoulder by one of them, and a heavy weight bore him to the earth.