C290
Although Ting Lan was also angry at Ting Ye for what she did today, she was still her own sister. She didn't want Ting Ye to lose her life because of this.
Furthermore, the one Ting Ye was protecting was Mu Qianqian, who did not have any family background, so she would not be able to satisfy the old man.
If Ting Ye really betrayed the young master, then of course she wouldn't show mercy