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 think it's love that causes parents to 
restrict their children's freedom.
.أعتقد أنّه الحب هو ما يدفع الوالدين لتقييد حرية أطفالهم
die Eltern nur das Beste
Un padre solo restringe las 
libertades de sus hijos por amor.
Un padre solo restringe las 
libertades de sus hijos por amor.
quand un parent limite son enfant,
c’est une preuve d’amour !
Eu acredito que os pais restringem
 os filhos exatamente por amor.