The season kicks off when , a retired MI5 tail, dies of an apparent heart attack on a bus. Suspicious, Jackson Lamb investigates and finds a single word hidden on Bow’s phone: "Cicada" . This refers to a long-dismissed legend of Russian sleeper agents embedded in British society. Lamb soon realizes Bow was actually poisoned by a Russian assassin named Chernitsky . A Deadly Undercover Mission As the team investigates, several plot lines converge:
and Louisa Guy are tasked with providing security for a meeting with a Russian oligarch's representative, Arkady Pashkin , at the Glasshouse skyscraper. Tragedy strikes when Min is murdered and his death is staged as a drunk-driving accident. The Climax at the Glasshouse The story culminates in a complex dual-threat: Slow Horses - Season 2
In the second season of Slow Horses , the "slow horses" of are pulled into a high-stakes Cold War-era conspiracy after the suspicious death of a former agent. The Cicada Mystery The season kicks off when , a retired
goes undercover in the sleepy village of Upshott, trailing Chernitsky to a local flying club. He discovers that a local mother, Alex Tropper , is actually a "Cicada" sleeper agent. Lamb soon realizes Bow was actually poisoned by