For a moment she wondered whether the faint and the heart attack had been a gigantic sham, but remembering the deadly pallor she could hardly credit the supposition. As she looked the expression disappeared as by magic, and Mrs. Vandemeyer lay inert and motionless as before. For a moment the girl fancied she must have dreamt it. But she determined nevertheless to be on the alert.

“Well,” said Julius, “I guess we’d better make a move out of here anyway.”

The others fell in with his suggestion. Sir James again felt Mrs. Vandemeyer’s pulse.

“Perfectly satisfactory,” he said in a low voice to Tuppence. “She’ll be absolutely all right after a night’s rest.”