At Bedford University, Professor Macklin presides over a “sex and the human condition” seminar. It is soon revealed however that Sarah had an affair with a professor, which is about to be made public by Richard, the school newspaper's editor, who happens to be a recovering alcoholic. Meanwhile, Sarah is upset over the fact that her younger brother, Owen, is also a part of the sex seminar, which means he will hear the sordid details of her sex life.

The ethics committee meets about Professor Dixon's sleeping with two of his students and whether he should be censured. His wife asks Sarah if she is sleeping with him and she denies it. After inviting Natalie to a dorm party, Owen is shocked when she shows up with another man on her arm. Rachel shocks Lee with her news.

After Professor Macklin selects passion as the topic for the week, Zoe complains to him that she has nothing to be passionate about. Richard decides to use his family name to get his lover, Katrina, access to city officials. Natalie and Owen decide to try and help save the school's health clinic, although Owen is only in it to try to get Natalie. However, soon Owen's sister, Sarah, decides to oppose the heath clinic, placing Owen in an awkward situation.