Zhao Tiezhu stood up and walked outside, his brows slightly furrowed. *Could a high-level expert have visited last night? Surely not,* he thought. *Was my mental energy so depleted that I didn't even notice such a thing?*
When he reached the small courtyard, Zhao Haidong was standing outside with a grave expression.
"What's wrong, Grandfather? I didn't sense anything."
Chapter 1240