C730 Sometimes Vows Can be Fulfilled

"Who exactly poisoned me?"

Mrs. Qin's eyes began to show signs of disbelief. She had always assumed her headaches were her own doing. Now, learning that someone might have been behind it was hard to accept. After all, at that time, she was the one in charge of the entire household at the Marquis Mansion. If someone dared to harm her, what about elsewhere?

"That, I don't know