Live for love or live as a killer?

Cassie Adams is a girl that's being abused by her father. Her sister is the only thing that makes her feel alive. But what happens when the only thing she held dear was taken away?When her mother finally had enough and left her alone with the monster that was her father? Would she give up living her life and just start existing?Or would she finally fight back and live the life that she rightly deserves?