Jade (The Wildflowers #3)

Description "Tears are more private than smiles....Why should I share anything with these girls?"

Jade had listened to Misty and Star tell their stories. Now it is her time to speak. But she can't. For while the others in Dr. Marlowe's therapy group had exposed their hidden pains and secret pasts, they are nothing like Jade. They don't know what it is like to be a pawn in a courtroom battle too hateful to ever forgive.

Or that escaping the madness had lured Jade into an ordeal too traumatic to forget....for JADE (THE WILDFLOWERS #3) by V C Andrews:

This is #3 in Wildflowers series.