In this episode, Inspector Morse's (John Thaw) step-niece commits suicide, and Morse takes a leave of absence. His investigation into the young girl's death leads him into an alien world of teenage hedonism: house parties, raves and designer drugs. And while Morse is not the ideal policeman his superiors think -- he's prickly and sarcastic, a confirmed bachelor and an intellectual snob who follows his own rules -- he gets results.