Realising that Belinda has the best and biggest room in the house, Chloe decides to have it for herself. But she doesn't choose a good day to make her move. Belinda has just been dumped by her boyfriend, Scott. Meanwhile, Robert has discovered Jack's herbal smoking-mix and mistaken it for marijuana. Robert shares the news with Mike who decides that Jack must be a drug-fiend. Robert is left alone with the ghastly secret while Mike goes off to sit his taxi-driver's exam. They'll call the police when he gets back. When Chloe and Belinda lock themselves in Belinda's room for a raucous Whose-life-is-the-most-tragic! rage, Robert believes that the girls are drug addicts too. What can Robert do?