The girl looked up in surprise.

"I haven't seen her to-day—she went down to Great Bradley last night—didn't she, auntie?"

The elder woman nodded.

"Mannish, and not a little discourteous I think," she said, "leaving her guests and motoring through the fog to the country. I sometimes think Constance Dex is a trifle mad."

"I wish I could share your views," said Farrington, grimly.

He turned abruptly to Doughton.

"Look after Doris," he said. "I have remembered—an engagement."

He beckoned Frank, with a scarcely perceptible gesture, and the two men passed out of the box.

"Have you discovered anything?" he asked, when they were outside.

"About what?" asked Frank, innocently.