He walked away. Helena sat flushed and silent, her eyes on the ground, twisting and untwisting the handkerchief on her lap. And, presently, she too disappeared. The rest of the party were left to discuss with Geoffrey French the ins and outs of the evidence, and to put up various theories as to the motives of the woman of the yew trees; an occupation that lasted them till dressing-time. Cynthia Welwyn took but little share in it. She was sitting rather apart from the rest, under a blue parasol which made an attractive combination with her semi-transparent black dress and the bright gold of her hair. In reality, her thoughts were busy with quite other matters than the lady of the yews. It did not seem to her of any real importance that a half-crazy stranger, attracted by the sounds and sights of the ball, on such a beautiful night, should have tried to watch it from the lake. The whole tale was curious, but--to her--irrelevant. The mystery she burned to find out was nearer home. Was Helena Pitstone falling in love with Philip? And if so, what was the effect on Philip? Cynthia had not much enjoyed her dance. The dazzling, the unfair ascendency of youth, as embodied in Helena, had been rather more galling than usual; and the "sittings out" she had arranged with Philip during the supper dances had been all cancelled by her sister's tiresome attack. Julian Horne, who generally got on with her, chivalrously moved his seat near to her, and tried to talk. But he found her in a rather dry and caustic mood. The ball had seemed to her "badly managed"; and the guests, outside the house-party, "an odd set." Meanwhile, exactly at the hour named by Buntingford, he heard a knock at the library door. Helena appeared. She stood just inside the door, looking absurdly young and childish in her white frock. But her face was grave. "I thought just now"--she said, almost timidly,--"that you were bored by my asking you to show us those things. Are you? Please tell me. I didn't mean to get in the way of anything you were doing." "Bored! Not in the least. Here they are, all ready for you. Come in." She saw two or three large portfolios distributed on chairs, and one or two drawings already on exhibition. Her face cleared. "Oh, what a heavenly thing!" She made straight for a large drawing of the Val d'Arno in spring, and the gap in the mountains that leads to Lucca, taken from some high point above Fiesole. She knelt down before it in an ecstasy of pleasure. "Mummy and I were there two years before the war. I do believe you came too?" She looked up, smiling, at the face above her.