"As far as I can see it will be cropping up in the future as well," said Diana ruefully. "It seems to be a 'continued in our next' kind of mystery."

Stair laughed boyishly.

"It should add a zest to life if that's the case," he retorted.

Diana was silent a moment. Then she said suddenly:—

"Pobs, what am I to do?"

Instantly Stair became grave again.

"My dear, do you love him?"

Diana nodded, her eyes replying.

"Then nothing else matters a straw. If you love him enough to trust him with the whole of the rest of your life, you can surely trust him over a twopenny-halfpenny little secret which, after all, has nothing in the world to do with you. If you can't, do you know what it looks like?"

She regarded him questioningly.