The slight wound on the forehead answered his rapid scrutiny.

He realised the situation as plainly as if it had been written down for him--he knew his brother well.
Noiselessly he moved forward and touched the spring of the door through which the two had gone.

It yielded, and he passed through, closed the door again and stealthily listened, then stole a look into the farther chamber.

It was empty.

He heard the outer doors close.