Series 18 (2015)
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Episodes 10
One of Our Own (2)
When the body of local criminal Jason Simons is found, the course of the case is changed.
Read MoreOne of Our Own (1)
The Lyell team are under pressure to catch the killer of an admired Essex police officer.
Read MoreSquaring the Circle (2)
A young woman working for the Doshis is found dead in Maksim's apartment.
Read MoreSquaring the Circle (1)
The nanny of a Russian oligarch is killed in a botched assassination attempt.
Read MoreProtection (2)
Nikki, Jack and Thomas focus in on Lizzie's movements on the night of Barge's murder.
Read MoreProtection (1)
A suspected paedophile is found murdered in a children's playground.
Read MoreFalling Angels (2)
Nikki helps high-flying DI Luke Nelson unearth painful childhood memories.
Read MoreFalling Angels (1)
Nikki and Jack investigate a man killed by a train on the London underground.
Read MoreSniper's Nest (2)
Nikki and Jack investigate links between the victims to close the net on the killer.
Read MoreSniper's Nest (1)
Nikki and Jack strive to track down a sniper at large in London and stem a public crisis.
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