
Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.
Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.
Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.
River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.
The safe house becomes unsafe as Lamb and Taverner finally join forces.