The son, Ye Ziqiang, starts to confess that he murdered Ye Zixi because of the financial falsified reports and her not keeping her promise to help the company, and Ye Qiao admits that she confessed earlier because she wanted to protect her brother. However, Ji Bai doesn't believe Ziqiang would be smart enough and Xu Xu believes him to be too impulsive to be able to think about injecting her with cold saline to throw off the time of death. So in search of the real truth they were able to discover that Ziqiang did accidentally push her off the railing, but it was Ye Lanyuan's(grandfather Ye) General Manager Hu was the one cut her with the blades that caused her to die from the blood loss of the wounds. The Major Crimes unit goes in search to find General Manager Hu.