"Of course," said Peter. "But I don't think she's in any danger."

"No, but she can't stay here. She just can't."

Beth put her arm around the old woman's shoulder.

"I'm not afraid."

Aunt Tillie was already untying Beth's apron.

"I know ye're not, dearie. But ye can't stay here. I don't want ye to. I don't want ye to."

"But if you're afraid of something——"

"Who said I was afraid?" she asked, glaring at Peter defiantly. "I'm not. I just had a spell—all this excitement an' extra work—an' everything."

She lied. Peter knew it, but he saw no object to be gained in keeping Beth in Black Rock House, so he went out cautiously and brought the chauffeur, to whom he entrusted the safety of the girl. He would have felt more comfortable if he could have escorted her himself, but he knew that his duty was at the house and that whoever the mysterious person was it was not Beth that he wanted.

But what was Mrs. Bergen's reason for wishing to get rid of her?