C738 Poisoned

Since this poison could not be detected, it meant that it was not a common poison. Zhang Cheng nodded to show that he understood.

After asking the doctor if he could go in and getting a confirmation, Zhang Cheng entered the ward. Seeing Soong Yasi lying on the bed with a pale face, he couldn't help but frown and noticed that her lips were especially purplish black.

Zhang Cheng didn't know why