"Did you hear that?" asked Ruth of Alice, in a whisper.
"Yes! Hush! Don't let them hear you!"
Ruth looked apprehensively over the back of her chair, but beheld no one. The noise made by the men as they were going out grew fainter.
Alice rose from her chair.
"What are you going to do?" asked Ruth, laying a detaining hand on her sister's arm.
"I'm going to see who those men are."
"Don't. They may——"
Alice made a gesture of silence.
"I'm pretty sure who one of them is," she whispered, as she bent down close to Ruth. "But I want to make certain."
"But Alice——"