Despite the discovery of the Saab car used in the murder, progress on the case is slow. The owner is identified as Paul King but when the police break into his flat they find King dead from a gunshot wound. Neighbours remember that a blonde woman was a frequent visitor. Trawling through statements after the TV appeal, DC Danny Glaze notices the name Kathy Milligan. Meanwhile PC Des Taviner is annoyed that CID will not share information on the case with Uniform and decides to do a little detection of his own. He has a hunch that petty thief Derek Smith, who witnessed the murder, knows more than he's letting on. Taviner, PCs Nick Klein and Reg Hollis pump him for information until he reveals that the manager of a local night club, Arty Shanks, was selling a Saab for silly money. Back at Sun Hill Sergeant Craig Gilmore wants to tell CID but Taviner is reluctant and pays Arty a visit. At last there is a breakthrough when, as Glaze researches Milligan on the station computer, Arty names Kin