"He unmasked."
"That shows his innocence," declared Shepworth quickly, "for if he had come to the ball to slip down and murder Agstone, he would not have revealed himself."
"Hum! Hum! Perhaps not." Prelice threw himself into a chair. "However, I shall keep an eye on Jadby."
"Then you are still searching into the case?"
"Into both cases," corrected the other, lighting a cigar; "I want to learn who killed Lanwin, and who murdered Agstone."
"Out of friendship for me," cried Shepworth, grasping his chum's hand. "You are a brick, Dorry."
Prelice returned the grasp, but blushed a trifle. He knew that love for Mona prompted the desire to search, as much as friendship for the man before him. If he could only understand Shepworth's attitude towards the girl and towards Mrs. Rover! Again it was on the tip of his tongue to ask a leading question, but he suppressed the desire, and kept to his earlier resolution to see the lady in the flat overhead.
"By the way," said Prelice carelessly, "have you seen Miss Chent?"
"No," answered Shepworth rather ruefully. "I wish I could have seen her, but Bruge hurried me away from the Court to keep me as a kind of state prisoner here. However, Mona wrote me a short note thanking me for all I had done, and said that she was going down to Lanwin Grange."
"But if that belongs to Jadby——"