“I am English,” I replied with a smile.

“I am glad. I would rather be under an obligation to an Englishman than to any one except a countryman of my own.” She smiled very graciously, almost coquettishly, as if anxious to convince me of her absolute sincerity. But she spoilt the effect directly. Lifting her eyes to heaven and with a little toss of the hands, she exclaimed. “What a mercy of the Virgin that you chanced to be in the house—this house of all others in the city.”

I understood. She wished to cross-examine me. “You are glad that I arrived in time to interrupt things just now?” I asked quietly.

“Monsieur!” Eyes, hands, lithe body, everything backed up the tone of surprise that I should question it. “Do I not owe you my life?” I came to the conclusion that she was as false as woman of her colour can be. But she was an excellent actress.

“Then let me suggest that we speak quite frankly. Let me lead the way. I am an Englishman, here in Lisbon on some important business, and not, as the doubt underneath your question, implies—a spy. I——”

“Monsieur!” she cried again as if in almost horrified protest.

“I was caught in the thick of a street fight,” I continued, observing that for all her energetic protest she was weighing my explanation very closely. “And had to run for it with the police at my heels. I saw a window of this house standing partly open and scrambled through it for shelter.”

“What a blessed coincidence for me!”

“It would be simpler to say, madame, that you do not believe me,” I said bluntly.

“Ah, but on my faith——”