Can Lily discover who has been messing with a paranoid schizophrenic's medication and why they have done it? The girls struggle with a plan to get back at Charlie, and it looks like they might have to give him what he wants! Imogen shocks Rob with her transformation, while Jimmi confides in Julia about his OCD; he hasn't had an attack since the ordeal, and he feels a little lost without his crutch.