Chương 775: Empress is on polite-hunt (VI)

Xinyi's eyes widened in shock when she heard the audio file. This...this...how did she have this recorded? It was the audio from the day when they spiked Xie Ming's drink to ruin her reputation in front of Liwei by calling another guy. 

However, before they could execute their plan, Xie Ming woke up and started struggling by grabbing their hair and tried to choke her and her mother. However, in the struggle, she was pushed and she fell into the deep side of the pool. 

Not only was she drugged, but she didn't know how to swim at all as well. She hurt her head when she fell in the swimming pool, causing her to stay unconscious for three months. However, there wasn't anyone that day other than them, how did she record their words?