

7.858 minSeason 3 • Episode 6
LatestGrace and Sean are under serious threat, while Lindsay's testimony exposes the Ginleys. Colly takes a risk to go after Morgan, and Fogerty decides Tina is no longer useful.
Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.
Acting
Sian Brooke's silent breakdowns deserve awards.
Writing
Dialogue so natural you'll forget it's scripted.
Production
Belfast itself: character, antagonist, wounded survivor.
Creators
Declan Lawn, Adam Patterson
Trivia, insights & behind the scenes
Created by two former BBC investigative journalists who spent years reporting on Northern Ireland's dissident republicans—every detail of cop paranoia is documented truth.
Belfast's 'peaceline' walls still stand; the show films in real Catholic/Protestant border zones where crews need security briefings. The tension you feel? Authentic residue.