C189 The Mastermind

Seeing Zhang Cheng'en walk in, Zhang Shiyan patted his shoulder heavily and told him what he had found out.

"Yang, someone poured oil on the stairs."

Zhang Cheng'en stared at Zhang Shiyan and roared, "Who did it? Who did it?" Who had a grudge against him and wanted to kill his child?

Zhang Shiyan shook his head, "I heard. It was cleaned by a maid named Suchun