C480 Found Evidence

After knowing the purpose of Xiao Chennai and the others' visit, the eldest son thought for a while and said, "My stepmother did leave something here, but I don't know what it is. My stepmother told me not to reveal it to anyone, so I didn't even tell my wife and daughter."

Ding Yu and Liu looked at each other, both of them feeling excited.

That should be the evidence that Xu Shan mentioned