As BritBox’s BAFTA-winning crime drama Blue Lights prepares to return for Season 4, creators are promising a “changing Belfast” that will bring new challenges for the officers of Blackthorn Station.
Continuing its gritty portrayal of contemporary Belfast, the new season finds Grace (Sian Brooke), Tommy (Nathan Braniff), and Annie (Katherine Devlin) facing challenges that force them to reconsider how they serve their community and the city they call home. Familiar faces, including Richard Dormer, will also return when the series returns on BritBox.
Here is everything we know so far.
When will Blue Lights Season 4 premiere?
Blue Lights returns November 12 on BritBox.
BritBox
What is Blue Lights about?
Blue Lights is a critically acclaimed British crime drama set in Belfast, Northern Ireland, and follows three rookie probationary police officers — former social worker Grace, impulsive Annie, and well-intentioned Tommy —as they navigate their way in the police service of Northern Ireland.
What happened in Season 3 of Blue Lights?
In Blue Lights Season 3, the story shifted its focus from street crime to wealthy criminals running sophisticated drug operations for the upper class. At the center was Dana Morgan (Cathy Tyson), whose criminal network was linked to an assassination attempt on Chief Superintendent Nicola Robinson (Andrea Irvine). Meanwhile, former vet and wannabe drug lord Lee Thompson (Seamus O’Hara) resurfaced to kill enforcer Donal Fogerty (Charlie Maher), forcing drug-dealing syndicate matriarch Tina McIntyre (Abigail McGibbon) into an alliance with Dana.
As police closed in on the syndicate’s financial operations, senior officer Helen McNally (Joanne Crawford) was promoted to lead a secret investigation into Dana’s empire, setting up Season 4.
Who stars in Blue Lights Season 4?
Blue Lights stars Siân Brooke as Grace Ellis, Martin McCann as Stevie Neil, Katherine Devlin as Annie Conlon, and Nathan Braniff as Tommy Foster, alongside Richard Dormer returning via flashbacks as the deceased Gerry Cliff.
Who is behind Blue Lights?
Blue Lights is created and written by former journalists Declan Lawn and Adam Patterson, and produced by the independent production company Two Cities Television for BBC One, with additional production support from Northern Ireland Screen.
Blue Lights, Season 4 Premiere, November 12, BritBox






















