I felt my heart leaping wildly, but I managed to preserve an outward show of composure.

"What woman?" demanded Gatton.

"I don't know, sir."

"Do you mean it?"

A fierce note of challenge had come into the quiet voice, but Morris looked up and met Gatton's searching stare unflinchingly.

"I swear it," he said. "I never was an eavesdropper."

"I suggest it was the same woman that Sir Marcus went to see last night?" Gatton continued.

The examination of Morris had reached a point at which I found myself hard put to it to retain even a seeming of composure. All Gatton's questions had been leading up to this suggestion, as I now perceived clearly enough; and from the cousins' quarrel to Isobel, Eric's fiancée, who was engaged at the New Avenue Theater, was an inevitable step. But:

"Possibly, sir," was Morris's only answer.

Inspector Gatton stared hard at the man for a moment or so, then: