struggles with dementia. His paranoia is no longer just a spy’s instinct; it’s a symptom of his fading mind, making him both a liability and a tragic figure. Catherine Standish
Slow Horses Season 4, Episode 3 ("Penny for Your Thoughts") follows River Cartwright as he fights for survival at a French farmhouse, revealing a deep, biological conspiracy led by Frank Harkness. Back in London, Jackson Lamb outmaneuvers MI5's Emma Flyte while investigating the connection between the Westacres bombing and the "Les Arbres" estate. The episode also highlights David Cartwright’s declining mental state, hinting that the current threat is linked to his past actions as a spy. Slow Horses - Season 4Eps3
Back in the present, Jackson Lamb (Gary Oldman) is doing what he does best: chain-smoking in his glass box while holding the entire British intelligence community in contempt. When Diana Taverner (Kristin Scott Thomas) demands results, Lamb drops the bomb. struggles with dementia