Det. Supt. Michael Walker, teamed with DI North and DCI Connor, follow each case from crime committed, through the pursuit of justice, to the law courts where the efforts of the force will be tested - sometimes to breaking point.

The series follows junior investigators Stefan and Rash, who are brought together by a link between two seemingly unrelated cases.

The hunt is on to find the murderer of a wealthy glamorous heiress who is found dead in her London townhouse. Based on the short story by Agatha Christie.

Tells the tales of mysterious murders that rocked small-town America.

An experienced fire fighter is badly injured and spends almost a year recovering at home. Now he returns to work, but is he as emotionally and physically sound as he thinks he is?