Klepto

It seems like Kat's parents have done little but prepare for her sister Hannah's return since she was sent away to a home for troubled teens. Everyone is determined to find out what went wrong with Hannah and make things right again -- everyone except Kat, that is.
Kat dreads going back to a life dominated by her sister's tantrums and rule-breaking. The only place she feels in control these days is at the mall, where everything she wants is at her fingertips and no one is better at the art...