C728 Two Programmes

Zhou Qiuchu's expression was actually not very accurate. What she said about leaving behind a trace, was not what she meant. If he drugged Watanabe Changgu, he would leave behind a trace for him to discover.

However, Chen Hui and the others all understood what Zhou Qiuchu meant. The mark that Zhou Qiuchu mentioned meant a pill that would make people lose consciousness for a period of time