Suddenly it flashed upon Tristan, as he stood there with his back leaning against the pillar. Was not this the woman he had met by the fountain, the woman who had spoken strange words to him in the Navona?

Had she recognized him? Her eyes had challenged him unmistakably when first they had met his own, and now again, as she left the church. They puzzled Tristan, these same eyes. Far in their depths lurked secrets he dreaded to fathom. Her scented garments perfumed the very aisles.

Tristan was roused from his reverie by a woman's hand plucking at his sleeve. By his side stood a tall girl. She was very beautiful, but her eyes were evil. She looked boldly at Tristan and gave her message.

"Follow my mistress," were her words.

Tristan looked at her, his face almost invisible in the gloom. Only the moonlight touched his hair.

"Whom do you serve?" he replied.

"The Lady Theodora!" came the answer.

Tristan's heart froze within him. Theodora—the woman who had succeeded to Marozia's dread estate!

In order to conceal his emotions he brought his face closer to the fair messenger, forcing his voice to appear calm as he spoke.

"What would your mistress with me?"