Nina's backstory is filled as we learn that she had a rough childhood where her parents were constantly fighting and wanting to leave. One day Nina pushes her father to stay. Along the way Nina meets Tommy.
Nina finds Tommy as an adult and decides to push him into a relationship with her and outside of her family.
Nina's pain is so bad that she's actually pushing herself. As Rosen tries to talk some sense into Nina, Nina attempts to commit suicide, but Cameron saves her.