An 11-year old's body is found and Banks wonders if there is a connection between his death and Kyle's disappearance.

When two bogus social workers come to Katy Heath's house and take her son away, Banks is drawn into a massive search for the boy - but is Katy telling the truth?

While Helen's career hangs in the balance, Banks risks everything to rescue his daughter who has been taken hostage by Jaff Kitson.

When a journalist is found dead in a remote village, Banks notices a connection between the case and a mysterious death in the 1980s.

Banks races to locate a mysterious recording that appears to connect Jack Barber and the members of The Crystal Kiss together.

The discovery of a gun in the bedroom of a neighbour sees Banks involved in an internal investigation which could break up the team.