May I Trim Your Hedges?

Frank convinces Carl that he has an illness so he can use him to scam a charity organization; when a cashier quits in front of her, Fiona takes the opportunity and applies for the job, but the interview takes an unexpected turn; Veronica worries about her and Kevin's relationship now that his wife is in town; after Debbie sees a man masturbating on the bus, Lip decides to hunt down a pedophile in the neighborhood.