Human souls are powerful and stubborn things. With traits often allowing for not heir survival, I TV would make sense that after some time of coexisting the moment would come when the science behind a soul would allow for the healing of monsters. When no human volunteers to allow the extraction of their soul, and secret group of scientists take You.
When a skeleton is a funny mask saves you from years of torment, you heal and learn to live as a group of monsters (you now call friends) help dismantle the evil cooperation.
Jack was on a roof, staring at the city, and was prepared to jump at a moments notice. When the wind was about to finally push him, a hand grabbed his sweater and pulled him back.
Penelope Wright was not and is not a hero. Saving Jack may not have been as selfless as it seems, and just maybe neither is she.
The story is split between two points of view. The present being told by Jack and the past being told by Penelope. Only with both can you see the full picture.