"Bring back a medicine-glass too! There's one on the surgery mantelpiece." He turned back to Violet again, stooping low over her, his hand upon her wrist.
Olga fled upon her errand with the speed of a hare, leaving Nick to follow with a candle.

Even as she went she heard a cry behind her, but she sped on with a feeling that Max was compelling her.
When Nick joined her a few seconds later she had already found the keys and was fumbling in the dark for the cupboard-lock.
They found the medicine-bottle exactly where Max had said, and Olga snatched it out, seized the glass, and was gone.

She was back again in Violet's bedroom barely two minutes after she had left it, but the instant she entered she was conscious of a change.

Violet was lying quite straight and stiff with glassy eyes upturned.

Max was bending over her, tight-lipped, motionless, intent.