The Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.
Taverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.
Tearney makes a bold move. The Slow Horses assist the Tiger Team, unaware of their hidden agenda. Lamb and Ho take a road trip.
Marcus and Shirley face Lamb’s wrath. River discovers revenge is a dish best served cold.
A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.
It’s a step back in time as a mysterious figure forces Robin and Gisborne to hear the story of their past. The truth about their parents is exposed and a…
