Greta's pale face flushed. "And your mother—has she also been the victim of a delusion?"

Hugh shrugged his shoulders, showed his teeth slightly, but made no reply.

"Answer me—tell me the truth—be frank for once—tell me, can you explain this mystery?"

"If I could explain it, how would it be a mystery?"

Greta felt the blood tingle to her finger-tips.

"Do you believe I have told you the truth?" she asked.

"I am sure you have."

"Do you believe I saw Paul in the lane?"

"I am sure you think you saw him."

"Do you know for certain that he went away?"