With Tanya Lucas dead - apparently killed by the same person to killed Peter Williams - Shap finds his own situation deteriorating. He admits to DI Mayne that he slept with the girl the evening she was killed and it eventually comes out that he was using her to try and locate Terry Camerton. He's still holding out about his true relationship with Terry and his ex-wife Sally Jowell. Meanwhile, the evidence begins to point to Sally's new husband Derek as the likely murderer. DCI Lewis still has major problems at home with son Tom and thinks she will apply for the the Superintendents' Board thinking she may have more regular hours and a more balanced lifestyle.