These Things Hidden - Heather Gudenkauf

Allison Glenn is a small towns golden girl in high school until she commits an unspeakable crime and is sent away to prison.  Her parents try to deny her existence and her younger sister Brynn also wants nothing to do with her. 

Five years later and Allison has been released to a halfway house and would like to try and rebuild her relationships with her family.  Her biggest concern is her sister who never seems to have gotten over what happened.  What secrets will come out during the healing process?

I am not sure what I thought this book was about it didn't turn out to be what I thought.  I really enjoyed it though I couldn't put it down.