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.
Or had he been arguing with Dr. Magata?
أم هل كان يتجادل مع الدكتورة ماغاتا؟
Oder hatte er mit ihr eine
Auseinandersetzung?
¿O tal vez discutía con la 
doctora Magata sobre algo?
¿O tal vez discutía con la 
doctora Magata sobre algo?
Ou bien ils se disputaient
pour autre chose ?
Oppure ci sarà stato un conflitto
d'opinioni con la dottoressa?
Ou... Será que ele tinha uma 
opinião contrária a da Dra. Magata?