After returning to the room, Vivian immediately closed all the doors and windows.

Christopher then partially pulled down the curtains to make sure that no one had followed them. He furrowed his brows and said.

"I didn't expect Sophia to come back suddenly. It was really dangerous just now. Fortunately, we already know Professor Harrison's whereabouts, so we have temporarily stabilized her."

Vivian also frowned, "It seems that she has deep feelings for her grandfather. It's ...