River Cartwright (Jack Lowden) goes undercover in the Cotswolds to track a sleeper agent, while Min Harper (Dustin Demri-Burns) and Louisa Guy (Rosalind Eleazar) are assigned to provide security for a high-stakes meeting with a Russian oligarch’s fixer.
The season kicks off with the suspicious death of Richard "Dickie" Bow, a former MI5 officer who believes he has spotted a long-dormant Russian assassin. Jackson Lamb (Gary Oldman) investigates, leading the Slough House team into a web of Cold War secrets and modern-day threats.
The Season 2 cast features both returning fan favorites and pivotal new additions: Gary Oldman