C747 Madman

"Who the hell are you?!" Tang Siqing looked coldly at the person in front of him, feeling more and more familiar.

How did this person know what the doctor said to him? Judging from her tone, she seemed to know a lot about the hospital.

"Rather than wanting to know who I am, aren't you curious who wants your sister to die? Do you want your sister's heart? "

Zheng Yitong said coldly