All 22 episodes of the ITV police drama series written and produced by Lynda La Plante. Detective Superintendent Walker (David Hayman), Detective Inspector North (Kate Buffery) and DCI Connor (Victoria Smurfit) oversee each case from the crime scene through the pursuit of justice and on to the law courts, where the force's efforts are put to the ultimate test. The episodes are: 'Trial and Retribution I', 'Trial and Retribution II', 'Trial and Retribution III', 'Trial and Retribution IV', 'Trial and Retribution V', 'Trial and Retribution VI', 'Trial and Retribution VII: Suspicion', 'Trial and Retribution VIII: Blue Eiderdown', 'The Lovers', 'Sins of the Father', 'Closure', 'Paradise Lost', 'Curriculum Vitae', 'Mirror Image', 'Rules of the Game', 'Kill the King', 'Conviction', 'The Box', 'Tracks', 'Siren', 'Ghost Train' and 'Shooter'.