C157 The Dragon King Was Tricked!

"Truth serum?" Su Lei was stunned because she knew more about truth serum than Lyi Qingyan did, "That was an experimental product under strict supervision in the US. China spent a lot of effort to get one, but they all failed."

Aileen nodded. "When I was on a mission in the US, I stole one."

Aileen's tone was light and casual, which instantly shocked Su Lei and Lyi Qingyan