In the process of investigating Director Shindou's murder, Nishinosono and Saikawa learn the details of Shiki's multiple personalities and the murder of her parents that took place 15 years ago. The two of them try to figure out what she was thinking in order to find a clue.  In doing so, Nishinosono is forced to confront her own past.
Yes, they're all Dr. Magata's...
...نعم، جميعهم بالنسبة للدكتورة ماغاتا
Ja. Sie waren alle Dr. Magatas …
Sí, esas son las personalidades de...
Sí, esas son las personalidades de...
Oui.
Ce sont ses autres personnalités ?
Sì. La dottoressa Magata li aveva tutti...
Sim. Todos eles eram...