1 Failure's Contagious 54mRiver Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.
2 Work Drinks 49mRiver and Sid join forces. A misfired gun has dire consequences.
3 Bad Tradecraft 42mSlough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.
4 Visiting Hours 43mTaverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
5 Fiasco 42mThe Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
6 Follies 54mTaverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.