Bad Girl with a Glass Heart

Both good and bad they have been together since the beginning but another past shows up and brings back bad memories that CC doesn't want to remember anymore and move on but these memories will bring back her mother's past also and open up new doors that were unanswered from the beginning, until she met a guy named Mathew that she had known when she was a kid but everything had changed between them and both of the rival families.

What can CC do to keep this from happening will she end up doing drastic that would end friendships or will she change what happens between the families and become leader of both with her lover ?