Justice in the Dark Episode 9

Pei Su easily finds out where his mother's remains and personal belongings are kept from Su Ruo Man, who continues to remain silent. Luo Wei Zhao and Pei Shu go to the ossuary mentioned in the testimony and find a diary in the urn that details the abnormal lifestyle of Su Ruo Wan's mother, Su Ling Nai, and her twisted relationship with Wu Guang Chang. From a photograph tucked inside the diary, the two are convinced that someone has taken secret photos of Wu Guang Chang and Su Ling Nai. They then ask Guo Shi Nan, who is visiting the Special Investigation Department, to recall his memories of the time he stabbed Wu Guang Chang to death. (Source: Japanese = wod.wowow.co.jp || Translation = MyDramaList)