Pretty Little Liars: Where, Oh Where Has This Family Gone?

When did they start falling apart? Was it Meredith? Was it Ezra? Was it...A? Aria doesn't know. All she knows, is that she wants to figure it out. And who else to help her but Dr. Sullivan. But it's not as easy as she thinks. Ella is gone to her apartment and won't see them. And Mike was run away to Ravenswood; on...