Sex is part of every teenager's life. They think about it, they worry about it and they do it. This new series offers a frank exploration of the love and sex lives of today's teenagers. In this episode 16-year-old Pixie takes the brave step of speaking to Dr Rachael about wanting an HIV test. Pixie has slept with over 20 people and thinks that a boy she slept with recently may have HIV. Ruth meets 17-year-old Charlie and his dad Barrie. Charlie would love to have more success with the ladies, but doesn't know how to ask his dad for advice. Ruth helps them talk openly about sex. Meanwhile, 18-year-old Ronnie thinks his penis is too small, and 19-year-old Sarah's concerns about how her vagina looks are ruining her sex life.