Chen Yu speculates that the murderer’s motive for killing Fiona was revenge and that they are likely to have known each other. Zhijie concurs. Lantian notes that the time Don went missing is close to that of Fiona’s death. An SD card is found at the crime scene. It contains a photo of a warship model. Chen Yu is told to investigate. Zhijie shows her team the photo of Don, whom they suspect is the killer. Chen Yu recognises him as Xuewei’s friend. Hongxi did not attend school. Questioned by Zhijie and Lantian, she confesses that she is being shunned ...
