Silent Witness

DCI Jane De Freitas's personal fallout with boss and partner chief superintendent Robert Drake is the least of her worries when three people are shot dead in a petrol station. Nikki and Jack conclude that it is the work of a concealed shooter from long range. They combine ballistics and wound pathology, along with De Freitas's expertise in victim and killer profiling, to narrow down the suspects.

The sniper plays a macabre game of cat and mouse with police, while Jack forms a friendship with the teenage son of one of the victims, offering sympathy and support. Thomas tries to ensure the safety of his daughter Rosie and estranged wife Julia amidst growing public fear, while fighting his urge to interfere in their lives.

Nikki and Jack investigate a man run down and killed by a tube train. When a female vicar is then murdered after being followed on the underground, the team face the difficult prospect of building a case against her distraught husband. Nikki forms a bond with high-flying DI Luke Nelson, impressed by his intelligence and compassion.

Tension on the tube network threatens to boil over and security is stepped up.

When a suspected paedophile is found murdered in a children's playground, Nikki and Jack are brought in.

Daniel Garvey is found dead in his car and Louise fears that he may have been killed by his sixteen year old stepson.

A shootout at a City hotel leaves young Ukrainian nanny Sofia Teplov dead, along with an unknown hitman. The Russian oligarch target Maksim Bazhanov narrowly escapes. Nikki and Jack work with young City DI Sarah Parks to ascertain the identity of the dead hitman and find out who is trying to kill Bazhanov and why.

A young woman working for the Doshi property moguls, Amy Greenwood, is found dead in Maksim Bazhanov's apartment. Maksim is discovered to have been in a relationship with Yasmin Doshi. Nikki, Jack and Thomas ingeniously prove that foul play was involved in Amy's death and help the police find the missing Bazhanov.

Sergeant Sam Honeywell is found beaten and shot in his burnt-out car in Essex.

Known Essex criminal Jason Simons is found murdered in a way that is perhaps too similar to Honeywell to be a coincidence.