Zheng Ming discovered that the money the murderer called Pang Beiyuan actually came from Dai Yu's father.
In the early morning, viscera marked with the number “3” appeared in the school cafeteria. Dai Yu found that the deceased's organs had serious lesions, but the poison test could not analyze what kind of poison Qiu Yue was poisoned. The highly toxic poison of unknown originZheng Ming was worried.Zheng Ming visited Qiu Xia's house again, but Qiu Xia disappeared.