Qin Haodong explained, "Sir, your son wasn't sick. He has been poisoned!"

Fernand yelled, "That's impossible. I've read the blood test report. There's nothing abnormal about it, no clue of toxins at all. Now you're telling us that he has been poisoned? That's unreasonable!"

Qin Haodong looked at him disdainfully and said, "You're so narrow-minded. The blood test can only detect the toxins that have been registered. There's a world of unknown toxins that are yet to ...