Stella continues to hide her cocaine habit from Lenny when she's seen snorting coke in a changing room at a local shopping mall. Molly learns that Hannah is planning to hook up with Shane and vows to 'bag' him first. Meanwhile, fans recognize Dan the Weatherman, whom happens to be Hannah's father. Elsewhere, Ron the rousted homeless man returns to the mini-mart with revenge on his mind, which throws a kink into Willie and Carl's in-store concert plan. The taxi driver rapist targets and rapes another young woman, while LAPD officers Lewis and Munson are tasked with finding the serial rapist, but they end up falsely arresting Ron as a suspect after previously interacting with him at Willie and Carl's convenience store.