Nicky is under pressure to find out who's behind serious threats to local scientists before Yates makes a quick arrest to impress the Chief. Astel and Clark find they are no match for a gaggle of rowdy Geordie girls. Claire learns that juggling her career and motherhood is a taxing brief.

A series of dangerous robberies hits the city. When Nicky's team manages to blow the robbers cover, the situation escalades and Nicky finds himself in a potentially fatal stand-off.

The victim of a serious assault dies. Nicky has two suspects, and has to establish which of them struck the fatal blow.

Claire receives several passing treats against her and her newborn child, after she opens a land rights case. Nicky and his team face a complicated situation, because the legal situation is unclear and a lot of racism is involved.

Nicky, Matty and Errol go to Lindesfarne for a few days off. The trip doesn't turn out the way expected as Errol is arrested for cuddle of a young woman.

A Community Support Officer accidentally causes trouble and Nicky has his hands full trying to find this guy.

Nicky's drug-dealing brother Adam is out of jail and is searching for him. Meanwhile Matty and Errol have some trouble of their own when they meet an old friend from the past.

The season's two finale episodes finds Nicky facing a race against time to catch two of Newcastle's most notorious crime families. However, it turns out that someone wants Nicky silenced himself.