A husband and daughter find it hard to deal with their grief after the body of wife and mother Anaan Kamel is discovered washed up by an underground river. Marcus Leyton, a former employee of Anaan and Raheel's law chambers becomes the main suspect.

No-nonsense Yorkshire detective Alan Banks (Stephen Tompkinson) tackles each new case with the weary professionalism of a man who has seen too much. Watch him doggedly decipher the clues in the gruesome murders on his patch.