Two Intersecting Lines (2)

Li Caiyi still couldn't believe it. How could she not notice it up until now? She knew Meng Yaoshu and her father had something to do with the organization. Still, she never expected that her great-grandfather would be heavily related to it. The information was too much for her brain to keep up.

"Okay, let's slow down a bit," Li Caiyi kneaded her throbbing temple while raising her hand. "So this research that my grandfather wanted my uncle to do was about…."

"How to produce an antidote for the drug." Detective Tang finished her sentence. 

"Your great-grandfather is a genius known as the heavenly doctor in the past. The medicine he produced brought glory to the Li family and the Meng family. Someone like him suddenly wanted to resign amid important research; why was that?"