I'm sorry, this is nothing like Beastly. This is a fic on Sublime but I couldn't find it in the categories. Empty is about the beginning, how the man who killed Lucia and how Colin found her. Before he met her. Before he even knew what happened that night.
What happened before Cress was put onto that satellite?
Two sisters, whom are the complete opposite, are best friends but one night fight over someone they both love and only one sister gets him and the other gets angry and is pulled into darkness.