Episode 1
A mysterious phone message leads Banks to Harrogate to search for his estranged younger brother, while the team investigate the murder of a young woman.
Episode 2
When a body found at Halton quarry turns out to be his missing brother, Banks must return to his childhood home to inform his parents of the terrible news.
Episode 3
When a hitman bursts into the luxury home of Keith Rothwell and shoots him dead in cold blood, Banks is struck by the strange reactions of his family.
Episode 4
With Pamela Jeffries in a coma, Banks is even more determined to find Rothwell's killer. And against orders he decides to question MP Martin Fleming.
Episode 5
Banks and his team investigate the murder of the daughter of an internet entrepreneur. The prime suspect is quickly identified, but Morton is not so sure.
Episode 6
In spite of the trial of Owen Pierce collapsing, Banks still believes that he is the murderer. But Morton tries to persuade him to keep an open mind.