As Slow Horses (Season 4) races towards its finale with episode 6, the show reveals itself very much to be a Cartwright family saga, for better or worse. It manages to sideline the rest of the Slow Horses other than the central cast, but its choice to withhold answers to the mystery until the final episode is a major swing that works for the most part. It creates a far more soap operatic story, but it never betrays its espionage roots, thus maintaining its sheer consistency.

Slow Horses (Season 4) Finale Episode 6 “Hello, Goodbye” Recap: Where is River Cartwright being taken to?

The fallout of the blistering attack on the roads of Central London could still be felt, even as we see ambulances having arrived, along with MI5, to control the damage, both physical and informational. As the police arrive, Flyte wakes up, consciousness seeping with the realization of the horror that had just occurred.