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'm sorry for asking all this...
...أنا آسفة لسؤال كل هذا
Entschuldigung, dass ich so
etwas Komisches gefragt habe.
Lamento haberte preguntado todo eso...
Lamento haberte preguntado todo eso...
Veuillez m’excuser d’avoir posé
toutes ces questions.
Oh... mi scusi, le ho fatto delle strane domande...
Me perdoe por ter feito 
essas perguntas estranhas.