Missiles: Two Slough House Agents Cause Mayoral Candidate Death

Apple TV released the fourth episode of Slow Horses season five, titled Missiles, on Oct. 15, and the installment delivers a startling turn: two Slough House agents accidentally cause the death of a high‑profile mayoral candidate during a chaotic campaign night in London. River Cartwright and JK Coe, deployed to surveil opposing campaign events, are at the center of an incident that will reverberate through the series' plot and the fictional British political landscape.

The episode follows the Slough House team as it splits to cover rallies for incumbent Mayor Zafar Jaffrey and his challenger, Dennis Gimball. Shirley Dander and Catherine Standish foil an apparent assassination attempt at Jaffrey's event. Meanwhile, Coe and River are assigned to Gimball's rally and end up in an alleyway confrontation that culminates in a heavy paint can falling from scaffolding and striking Gimball, killing him instantly. The two agents find Gimball's personal recorder nearby; it captured the moments before the death and becomes part of the evidence they carry away as they flee the scene.

Missiles places the accidental killing against a wider, escalating campaign by a small cell bent on...