As the hunt for the killer continues, Kevin Salisbury from the MET arrives to assist in the investigation. And tensions mount as the killer torments the community further.

As Ian and Kevin are called to the scene of a second murder, news breaks of a former spy in the community at Gary’s memorial service. Meanwhile, Scott remains at large.

With two killers now on the run, Ian is forced to call in the Met to support the manhunt. Meanwhile, the hunt for the mystery spy cop intensifies as a link to Scott is found.

As the manhunt closes in on Scott and Andy’s location, the search for the spy cop turns the clock back to 1984 to reveal their identity and the events of that fateful night.

In a bid to protect those involved, Ian finds himself determined now more than ever to find the spy cop. The community attempts to heal in the wake of its loss.

DCS Ian St Clair is called to investigate a tragic and unexpected murder in an ex-mining town as news of the crime threatens to inflame historic tensions.

As the Sparrows are forced to join the Bransons on their revenge mission, they must act quickly to save the Bottomleys. Lisa receives evidence that shines a new light on the past.

A familiar face joins the investigation, as the community reels from the news of the latest deaths. Meanwhile, Lisa follows up on a lead which could affect the future of the mine.

As the criminal fraternity begins to break down, the community is left reeling from an assassination attempt. Daphne’s past continues to haunt her.

Out of options, the police and the Sparrows must work together to try and bring down the Bransons. Ryan takes advantage of the new power vacuum by setting up his own operation.

The Sparrows are on the warpath and Ann is the target. The various threads of the investigation finally come together, as the community looks to the future.

As the proposal for the opening of a new mine creates division in the community, a senseless murder threatens to reignite historic turf wars that plagued the Nottingham of old.