“And,” Belder went on, “there’s that mysterious third letter Sergeant Sellers got. I’ve simply got to know what’s in there.”

“Why?”

“Because it accuses me of intimacy with some other woman.”

“Well?”

Belder was silent for a moment, then suddenly blurted out, “I’ve got to know what woman it was.”

“Like that, eh?” Bertha asked.

“Don’t misunderstand me, Mrs. Cool.”

“I don’t think I did.”

“Well, I didn’t mean it that way.”

“How did you mean it?”