Gu Xicheng's words indirectly answered Xu Yixue's question. Xu Yixue smiled and took his hand to eat together at the table.,Just as I made up my mind, I heard a noise downstairs.,The other party nodded, then smiled mysteriously: "I didn't expect that in the investigation of Mu Weijun's disappearance that year, it was discovered that his wife and Xu's mother were best friends, and Mu Weijun and Gu Zhi were classmates."。