First broadcast 11/12 July, 2004.
The team hunt for an enduring serial killer with a particularly macabre method of dispatching his victims – hammering a nine inch nail through their skulls.
Notable guest stars: Michael Byrne, Geoffrey Bayldon, Clive Wood.
The one where… Boyd makes that joke about nine inches meaning a lot to a guy.
First broadcast 18/19 July, 2004.
When the body of a suspected terrorist is found in the stolen car of a former Home Secretary, Boyd and his team soon find themselves involved in the shadowy world of the Security Services.
Notable guest stars: Oliver Cotton, Frances de la Tour, Timothy West (father of Samuel West).
The one where… Boyd calls Grace “Gladys”.
First broadcast 25/26 July, 2004.
The Murphy twins went missing in 1988, and when one is found suffering from amnesia, the team investigate their original disappearance – a case that proves to be distressing for Mel.
Notable guest stars: Sean McGinley, Joe Armstrong.
The one where… we find out that Mel was removed from her birth mother by Social Services and then adopted.
First broadcast 1/2 August, 2004.
Boyd attends anger management sessions whilst simultaneously, with the team, investigating a murder which is connected by the pistol used to many other killings stretching back decades.
Notable guest stars: Nigel Terry, TP McKenna.
The one where… Boyd learns to quote The Tempest when he’s stressed… and then gets punched in the face.
First broadcast 8/9 August, 2004.
Boyd’s team combine with another police unit to search for a serial killer who carves the word “sorry” into the backs of his victims.
Notable guest stars: Phil Daniels, Julian Glover, Emma Fielding, James Dreyfus.
The one where… Grace quietly seethes when Boyd takes a shine to the other team’s (younger) offender profiler.
First broadcast 15/16 August, 2004.
Unaware of the tragedy ahead, the team search for “The Shepherd”, a man who persuades vulnerable women to kill the targets he convinces them are a danger.
Notable guest stars: Paul Kaye, Laurence Penry-Jones.
The one where… Mel meets a grisly end, and Boyd has to go swimming.