He looked at her, rather startled by this, then profoundly touched, and his face showed the emotion she had aroused in him for he turned hastily away, saying:

“As you wish, then—and it’s a promise.”

They came back to the elevator hurriedly, each plainly upset, and separated with a brief nod. The mood into which Inga had thrown him possessed him long after they had taken a taxi and started across the park, for he leaned forward, seemingly oblivious to the presence of company, and frowned down on the strongly clasped hands which, from time to time, were pressed against his teeth in strained, convulsive gestures. O’Leary, who watched him in growing perplexity, decided to break the silence.

“If there’s anything you want of me particularly, Dangerfield, you’d better tell me.”

“What? Oh, yes!” Dangerfield came back to his seat with a start, ran his hand over his forehead, and said apologetically,

“O’Leary, I owe you my apologies!”

“Oh, that’s all right!”

“I owe you more than that,” he said, with one of his sudden smiles which had the effect of charming away all resentment. “I know it; I’m deeply grateful. If I don’t tell you all details won’t you understand that it’s because the subject is too painful?”

“Don’t say a word, then,” said O’Leary.