She fixed a plug in the wall and turned on the small electric fire. Disappearing, she came back with a kettle which she placed on top of the ring.

“The view’s not grand, but the food’s good,” she said, with a gaiety that Mirabelle was now sure was forced.

“You’re with these people, of course—Dr. Oberzohn and Newton?”

“Mister Newton,” corrected Joan. “Yes, I’m his fiancée. We’re going to be married when things get a little better,” she said vaguely, “and there’s no use in your getting sore with me because I helped to bring you here. Monty’s told me all about it. They’re going to do you no harm at all.”

“Then why——” began Mirabelle.

“He’ll tell you,” interrupted Joan, “sooner or later. The old man, or—or—well, Monty isn’t in this: he’s only obliging Oberzohn.”

With one thing Mirabelle agreed: it was a waste of time to indulge in recriminations or to reproach the girl for her supreme treachery. After all, Joan owed nothing to her, and had been from the first a tool employed for her detention. It would have been as logical for a convict to reproach the prison guard.

“How do you come to be doing this sort of thing?” she asked, watching the girl making tea.

“Where do you get ‘this sort of thing’ from?” demanded Joan. “If you suppose that I spend my life chaperoning females, you’ve got another guess coming. Scared, aren’t you?”

She looked across at Mirabelle and the girl shook her head.