"Then why don't you go alone?" said Arden.

Winter murmured of sociability; it was no great fun to sit up all night by one's self. Besides, in the detection of a practical joke, which was probably all that it was, two would be better than one. Arden must see for himself that—

Arden broke in impetuously. "Look here," he said. "Stop wandering about the room and sit down. I'll tell you why I won't come. Did you ever hear of Minnerton Priory?"

"Of course I've heard about it. I don't know the whole story, and I don't suppose anybody does. A man lost his life over it, didn't he?"

"Two men lost their lives. I was the third man. Now, you know why I won't play with these things any more."

"Tell me about it," said Winter. "I've only heard scraps here and there, and reports are always inaccurate. So you were actually one of them. I should never have guessed it."

"I will tell you the story if you wish. Will you have it now, or will you wait till you have finished your investigation of the house at Falmouth?"

"I will hear it now," said Winter.

This is the story that Arden told.