Long-buried Cold War secrets emerge which threaten to bring carnage to the streets of London. When a liaison with Russian villains takes a fatal turn, our hapless heroes must overcome their individual failings and raise their spy game in a race to prevent a catastrophic incident.
All episodes — Season 2
S2 E1Last Stop
Dec 2, 20227.647 min
Jackson Lamb is on high alert after a former spy is found dead. Min and Louisa are tempted by an offer from outside Slough House.
S2 E2From Upshott with Love
Dec 2, 20227.852 min
Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
S2 E3Drinking Games
Dec 9, 2022856 min
River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
S2 E4Cicada
Dec 16, 20227.749 min
Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
S2 E5Boardroom Politics
Dec 23, 20228.345 min
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
S2 E6Old Scores
Dec 30, 20228.349 min
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.