"Well, is it not so?
Speak up! Say--" He stopped--the words cut short off on his lips.

It came without warning--a crash, a pound on the door below--another.
Burton shrank back against the wall.
"My God! The police!" he gasped.

"Maddon's found out! We're--we're caught!" Jimmie Dale's eyes, on old Isaac, narrowed.

The pounding in the alleyway grew louder, more insistent.

And then his first suspicion passed--it was no "game" of Isaac's.