Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin. Season finale.

Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.

Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.

River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.

Two years on from reports of his Reichenbach Fall demise, Sherlock resurfaces as London comes under threat of a huge terrorist attack. John, though, has mixed feelings – he’s delighted…

Driving, lost and tormented in the night, primal fears of the dark and the unknown give way to fear that you have let the evil in, or that it is…

An outwardly confident but unmarried woman on the verge of her fortieth birthday reflects on her past suitors and the choices she once made while attempting to help her marriage…