The Lyell Centre team are under pressure. A sniper is on the loose in London; A killer stalks the London Underground; A paedophile is found dead in a playground and a child is missing. Nikki, Jack, Thomas and Clarissa join forces with the police to investigate these tense, complex and dangerous cases.

Snipers Nest
When three people are shot dead, Nikki and Jack strive to track down a sniper at large in London.

Falling Angels
A man is found dead on the London Underground. The accidental verdict of his death soon comes under question.

Protection
The team link the murder of a boy in a playground to the disappearance of a little girl.

Squaring The Circle
The nanny of Russian oligarch Maksim Bazhanov is killed in a botched assassination attempt.

One Of Our Own
Admired Essex police officer Sergeant Sam Honeywell is found dead in his car.
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