Aired: 3/8/2026
A devastating attack puts new boss of SO15 Rachel Carey at the heart of a conspiracy more deadly than anything she’s encountered before.
Aired: 3/15/2026
More video evidence of the attack emerges, isolating Carey further from those around her. With pressure building to find the assassin, Carey looks for allies in unlikely places.
Aired: 3/22/2026
Carey searches for one suspect, whilst Napier deals with another. As evidence mounts, Carey is forced to avert a further catastrophe – has she made a terrible mistake?
Aired: 3/29/2026
Carey is under pressure to charge Whitlock, but with Napier off-radar, she has bigger problems. Pierson’s colleagues have a crisis in confidence, which takes a dangerous turn.
Aired: 4/5/2026
Forging an uneasy alliance, Carey and Pierson are pursued through a network of underground tunnels. Pierson’s past comes back to haunt him, and the truth about Simon is revealed.
Aired: 4/12/2026
Carey has regained control of SO15, but after Figgis makes a bold move, she faces an impossible choice - just how far is she willing to go to protect the truth?