OMFG! WFT HAPPENED?!!

Ehm....I chocked when suddently Mi Rae jumped off the stairs! I mean I really wasn't expecting something like that! Ok she saw everyone in 'dark light' maybe as evil ppl but is it a reason for a seven year old to commit suicide?!
Well but it also could be that the director didn't show us but somene pushed her or something?
I was assuming something will happen to prevent them going abroad/ starting anew but this?! Pls don't mess with my mother instincts! I don't want see a child dieing and a death that possibly is a suicide :(