“He can’t. I just made sure that the lock has rusted off.”

“But what good would it do us to ride with him?” demanded Jane.

“Sh! They might hear us!” warned Mary Louise. She turned to the dog and patted him. “You keep quiet too, Silky.... Why,” she explained in a whisper, “we could watch to see whether Mr. Harry spends any money. If he brings out a fifty-dollar bill, he’s a doomed man!”

“You are clever, Mary Lou!” breathed her chum admiringly. “But it’s an awful risk to take.”

“Oh no, it isn’t. Mr. Grant isn’t a gangster or a desperate character. He wouldn’t hurt us.”

Jane looked doubtful.

“Have you made out who the people are on the porch?” she asked.

“It must be Mrs. Grace Grant—and her two sons. Yes, and I feel sure that is Harry, coming down the steps now.... Listen!”

The girls’ eyes, more accustomed to the darkness, could distinguish the figures quite plainly by now. The younger of the two men, with a satchel in his hand, was speaking to his mother.

“I ought to be back by Saturday,” he said in a loud, cheerful voice. “And if this deal I’ve been talking about over in New York goes through, I’ll be driving home in a new car.”