3.3 – Breaking Glass

First broadcast 27/25 September, 2003.

A modern skeleton found during an archaeological dig prompts an investigation into the historical sexual abuse of boys in a care home. The team aren’t the only ones trying to find the man known as “Papa Doc”, however…

Notable guest stars: Charlie Creed-Miles, Ian Hogg, Tom Bell.


The one where… Grace has a “gentleman friend”, Alan Macintosh.


4.4 – Anger Management

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.


4.6 – Shadowplay

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.

5.3 – Subterraneans

First broadcast 2/3 October, 2005.

The discovery of two bodies leads the team to a man whose entire life is built on deception and pretence.

Notable guest stars: Toby Stephens, Nicola Stephenson, Ronan Vibert.


The one where… an inadequate man pretends to be something he’s not and hides out in an allotment shed. And nothing much else happens.

6.4 – Mask of Sanity

First broadcast 28/29 January, 2007.

James Jenson has been released from prison, and the team hurriedly try to determine if he’s a dangerous serial killer, or merely an unlucky scapegoat who’s always been a victim.

Notable guest stars: Nicholas Beveney, James Fox, Jemma Redgrave.


The one where… the team investigate historical abuse at a children’s home, Spencer gets beaten up, and Boyd fails at CPR.

6.5 – Double Bind

First broadcast 4/5 February, 2007.

When Daniel Lennon absconds from a secure hospital and reveals the location of the body of a man killed in 1967, the team find themselves investigating both his original crimes and a ’60s hippie therapeutic community overseen by Dr Raymond Parke.

Notable guest stars: Miles Anderson, Jill Baker, Richard Johnson.


The one where… Boyd and Grace have a huge argument that leads to the latter temporarily leaving the unit, Boyd gets stabbed in the hand with a pen, and there are lots of flashbacks to the ’60s.

7.4 – Skin

First broadcast 5/6 May, 2008.

The mummified body of what initially appears to be a skinhead is found, but as the investigation progresses it becomes clear he was not what he seemed. The team continue to concentrate on his apparent right wing political connections as the true reason for his murder unfolds.

Notable guest stars: Philip Whitchurch, Jo Woodcock, Russell Boulter.


The one where… Stella worries about HIV after assaulting a suspect with AIDS and Boyd (hypocritically) reprimands her for her conduct. Boyd is briefly reunited with his homeless, drug-addicted son, who begs to be released from the secure psychiatric unit his father has committed him to.