What did Zhang Tiearm do when he fell from the eaves to Lou Gongzi's back room in the middle of the night?

Cheat money. After 2: 30 this afternoon, the third and fourth sons of Lou suddenly listened to the sound of tiles in the room, and a man fell from the eaves. He looked intently, and it was Zhang Tiejun. Zhang Tiearm said, "I have both benefactors and enemies. I took his head here today, but my benefactor is ten miles away and needs 520 pieces of silver to repay his great kindness. I think we can handle this matter well, only two masters. " Hearing this, the Second Childe took out five hundred and twenty pieces of silver and gave it to him.