Slow Horses - Season 4

In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.

6 Episodes

Identity Theft

Season 4 - Episode 1

A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.

A Stranger Comes to Town

Season 4 - Episode 2

A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.

Penny for Your Thoughts

Season 4 - Episode 3

River is trapped in France. Back at Slough House, the Dogs have come for Lamb.

Returns

Season 4 - Episode 4

Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.

Grave Danger

Season 4 - Episode 5

Lamb questions David about France as River comes face to face with the enemy.

Hello Goodbye

Season 4 - Episode 6

Impossible decisions are faced and sacrifices are made.