C631 Real Killing Without Blood

Ho Yucheng narrowed his eyes. "I want the formula and antidote you sold to Sun Guojun. Can you do it?"

"That medicine... That medicine belongs to my grandfather. I'm not sure..."

"Does that mean you can't do it?" Ho Yucheng asked coldly.

"I will try my best! I can only try my best." Du Er wiped the cold sweat off his forehead.

"What I want is not to try my best