Shooter - Part Two: Conclusion. With his wife and child missing, DS Satchell is desperate to resolve the situation as Walker and Connor find a pressure point in the Bilkin family. [S] S12 Ep4
Shooter - Part One: DS Satchell and his family find themselves the target of a notorious crime gang when he witnesses the slaying of an informer following a jewellery raid. [S] S12 Ep3
Ghost Train: When a girl falls to her death from a Ferris wheel, it is thought to be a tragic accident until DS Satchell's aunt comes forward with suspicions of foul play. [S] S12 Ep2
Siren: Crime drama. Connor and the team investigate an audacious murder where an ambulance is run off the road and its patient is shot in the head. [S] S12 Ep1
Tracks - Part Two: Darren is found not guilty after an emotionally-charged testimony where he makes a personal confession, but Connor still believes that something is amiss. [S] S11 Ep10
Tracks - Part One: Crime drama. When the body of a teenage girl is discovered in a chalk pit, vehicle tracks are found at the scene that leading Connor and Walker to a local hardman. [S] S11 Ep9
The Box - Part Two: Following his arrest, Ronnie Reid refutes the evidence in Anna's diary and her own mother questions its authenticity as tensions rise between Walker and Mullins. [S] S11 Ep8
The Box - Part One: While on leave in Glasgow to take care of his increasingly senile mother, DCS Walker becomes involved in the case of a missing woman and sister of an old friend. [S] S11 Ep7
Conviction - Part Two: Concluding part. As Mark Randle's sister Sarah begins to reveal the truth about her brother's death, Ken Randle stands trial for the murder of Nick Fisher. [S] S11 Ep6
Conviction - Part One: A recently released prisoner insists that he is innocent of the murder he was convicted of, prompting the victim's father to reconsider his stance on the case. [S] S11 Ep5
Kill the King - Part Two: The concluding part of this case of the crime drama. Connor instructs her team to stay vigilant as details of Carlisle's private life start to emerge. [S] S11 Ep4
Kill the King - Part One: Crime drama. When a top paediatrician is found dead, the team find reason to suspect the grieving father who blamed the doctor for his daughter's death. [S] S11 Ep3
Rules of the Game - Part Two: The concluding part of this case of the crime drama. Maryna Petrenko stands trial for Malikov's attempted murder but makes a convincing case in court. [S] S11 Ep2
Rules of the Game - Part One: When the body of a prostitute is found at Heathrow, a Ukrainian billionaire is arrested on suspicion of murder but Walker is forced to release him. [S] S11 Ep1
Mirror Image - Part Two: Concluding part. The Delany twins' alibi appears watertight, but both Walker and Connor are suspicious and believe that something has been overlooked. [S] S10 Ep11
Curriculum Vitae - Part Two: The concluding part of this case of the crime drama. Further investigations cause the team to find themselves wondering who the real victim is. [S] S10 Ep9
Curriculum Vitae - Part One: Two-part crime drama. An emotive case begins with a mother returning from work to find her baby girl dead in her cot and her nanny having disappeared. [S] S10 Ep8
Paradise Lost - Part Three: The concluding part of this case. It becomes obvious to the team that a serial killer is on the loose when more victims die in similar circumstances. [S] S10 Ep7
Closure - Part Two: The police are being criticised for their lack of results, but there is every indication that the serial killer is spiralling as possible witnesses are killed. [S] S10 Ep4
Closure - Part One: A serial killer is targeting schoolgirls, Roisin Connor's case has gone cold, and similar unsolved murders keep surfacing as Walker puts pressure on Connor. [S] S10 Ep3
The Sins of the Father - Part Two: The concluding part of this case of the crime drama. As Richard Walker's behaviour reaches crisis point, just who was in the house with Emily? [S] S10 Ep2
The Sins of the Father - Part One: Two-part crime drama. DCI Connor and DS Satchell discover that a happy couple are hiding some dark secrets when their daughter is murdered. [S] S10 Ep1
The Lovers - Part Two: Susan Harrington makes a date with a man who promises to take her to her missing husband, but will Connor and Walker arrive too late to prevent a tragedy? [S] S9 Ep2
The Lovers - Part One: When his son-in-law disappears on honeymoon, a rich businessman pressurises DCS Walker for help because his daughter believes they aren't taking her seriously. [S] S9 Ep1
Blue Eiderdown - Part Two: Conclusion of the two-part drama. Walker comes under pressure as he and Connor are drawn into their victim's world with frightening repercussions. [S] S8 Ep2
Blue Eiderdown - Part One: First of a two-part drama. A young prostitute plunges to her death from a block of luxury flats - had she discovered the identity of her mother's killer? [S] S8 Ep1
Suspicion - Part Two: Conclusion of the two-part crime drama. DNA tests confirm that the blood in the Harwood house belongs to Diane, and police make another grisly discovery. [S] S7 Ep2
Concluding part. North struggles to make sense of what is an increasingly complicated case, but Walker is more concerned with his imminent interview for commander and family ties. [S] S6 Ep2
Two-part crime drama. DI North investigates the case of a woman abducted in broad daylight, but a sudden murder confession leaves the squad with more questions than answers. [S] S6 Ep1
The concluding part of this case of the crime drama. Forensic evidence establishes that the crime was committed 17 years earlier when the house was run as a bed-and-breakfast. [S] S5 Ep2
Two-part crime drama. When DI North reinvestigates a cold murder case, she develops suspicions about Detective Superintendent Walker's conduct as its original head investigator. [S] S4 Ep1
Conclusion of this case of the crime drama. Detectives Walker and North arrest a man for the murder of a 15-year-old girl but have to let him go when his wife backs up his alibi. [S] S3 Ep2
Two-part crime drama. When a 15-year-old girl goes missing and her bloodstained clothes are found, Detective Superintendent Walker heads the investigation into her murder. [S] S3 Ep1
The conclusion of this case of Lynda La Plante's crime drama. As the trial gets under way, Morton's strange hold over those who would testify against him becomes evident. [S] S2 Ep2
Two-part crime drama. Detectives Walker and North join forces in the hunt for a sadistic serial killer as the only surviving victim fights for life in intensive care. [S] S2 Ep1
Crime drama written by Lynda La Plante. The trial is about to begin, but the prosecution's evidence is falling apart at the seams and the defence is confident of an acquittal. [S] S1 Ep2
Part one of a two-part crime drama written by Lynda La Plante. The police have a suspect after the horrific murder of a young girl, but can they find the evidence to charge him? [S] S1 Ep1