The old selfish, shrewd look was again in his eyes.

Charley's gaze followed him gloomily.

Billy turned the handle of the door.

It was locked.
Charley came forward and unlocked it.

As Billy passed through, Charley, looking sharply in his face, said hoarsely: "By Heaven, I believe you're not worth it!" Then he shut the door again and locked it.
He almost ran back and opened the cupboard.