Brooke has fallen apart since Dance Moms ended. Fat, ugly, slut, have become every day words. Brook can't take it anymore. She kills herself. But a few weeks later, Paige finds her diary, the diary that holds the secrets to Brooke's death.

Diamond Carson is a 17 year old girl who is abused by her father. Her mother died giving birth to her and her father blames her for it. She knows she has to tell her friends but she's afraid her father will hurt them or her even worse than he already has. When Nathan Johnson comes into the picture she has to try even harder to hide her secret; he is more determined than anyone to find out what she's hiding.