"Someone poisoned your grandfather! How? He used to be at home, where only your parents lived. Then, how?" Sara's mind raced as her heart rate increased rapidly, finally understanding the origin of the conflict that dragged Luca into such a mess.
"My parents didn't live in the house most of the time," Luca answered. "I told you they would stay away because of their social and philanthropic businesses."
"The traces of the poison were so small that they could never be found out until he fell seriously ill. And it never definitively happened in the house," Luca continued, detailing the difficulty of the investigation.
