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.
I'd totally forgotten, but Dr. Magata had a meeting
نسيت تمامًا، ولكن كان للدكتورة مقابلة
Ich habe völlig vergessen,
Lo había olvidado por completo, 
pero la doctora iba a tener
Lo había olvidado por completo, 
pero la doctora iba a tener
J’avais oublié,
mais nous avions un rendez-vous
Tinha me esquecido completamente,
 mas amanhã, às 13 horas,