"No, poor darling, but she's all in. I've left her on her bed, and I hope she'll be feeling a bit better by the time I get back - more able to cope. I don't think she slept much last night."
"Well, let's hope she doesn't do anything silly," said Neville. "She probably will, but with any luck she'll merely confuse the issue."
"She happens to be my sister," said Sally frigidly.
"Yes, it's the best thing I know of her," agreed Neville. Sally, taken by surprise, showed signs of being over come.
"And the worst thing I know of you," added Neville dulcetly.
Sally cast him a withering look, and left the study to exercise her charm on the younger of the two policemen still searching the shrubbery.
Helen, meanwhile, was not, as her sister had supposed, upon her bed, but closeted with Superintendent Hannasyde at the police station.
Upon Sally's leaving the house, she had lain for some few minutes, thinking. After glancing once or twice at the telephone she had at last sat up in bed, with the sudden energy of one who has come to a difficult decision, and lifted the receiver off its rest. "I want to be put through to the police station," she told the operator calmly.
She was connected almost immediately, and asked for Superintendent Hannasyde. The voice at the other end of the wire desired her, somewhat suspiciously, to divulge her identity. She hesitated, and then said: "I am Mrs. John North. If Superintendent Hannasyde -'
"Old on a minute!" said the voice.