After four years without sex, Lia agrees to date a patient's son and lets her ice-maiden exterior slip - but is it her? Jamie is shocked to learn that Kate went to boarding school, while Paul makes a shocking confession to Beth - but is she too hooked on him to care? Lia's concerned by her daughter's relationship with a 13-year-old 'gangsta', and Anji gets into trouble for mocking the latest patient care directive...