Vexed S02E02 - Episode 2

Laura Edwards, a student of Gender Studies,is found murdered in the university library. George and Jack investigate,though he annoys her by going on about new girlfriend Danielle. Laura's tutors point the detectives towards her circle of post-genderist,butch friends and the pair go undercover,George as a tutor and Jack a mature student. He manages to antagonize most of Laura's clique including ex-lover Rainbow,who says that Laura left her for a man,Ian,but he claims Laura used him and had sex with lots of men and women. One of these - or their jealous lover - is the murderer.