Martin can't stop talking about his newfound sex life. Matthew confesses to Mandy that he's terrified of going out of the house, so she arranges for him to meet her psuchologist friend Jason. Unknown to Matthew, Jason is gay and, after talking to Matt, he tells Mandy that he's fallen in love. Mandy starts an Italian evening class and her tutor, Mario, shows an interest in her. When she tells him that she's celibate, he misunderstands and thinks she's trying to say that she's a virgin. Then Martin and Mandy discover Matthew in bed with Jason....