Ultimately,a devastated Standish resigns from Slough House.

All of these revelations tee up excitingquestions forSlow Horsesseason 4 to tacklealongside new schemes.

After Louisa hangs up on him,Roddy leaves with his headphones and a bag of leftovers.

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The intelligence agency has identified the perpetrator as Robert Winters…

Behind him, an explosion rocks the city.

In typical Slough House fashion,Roddy only realizes something is amiss when passersby start running and screaming.

Jonathan Pryce as David Cartwright looking confused by suspicious with Jackson Lamb (Gary Oldman) and River Cartwright (Jack Lowden) behind him from Slow Horses season 4

Custom Image by Kate Bove

The show then cuts to the scene of the crime: West Acres shopping center.

However, that’s far from the only shocking development inSlow Horsesseason 4’s controversial openingmoments.

Louisa, on the other hand, is “always” thinking about quitting.

Christopher Chung as Roddy Ho at a Chickado in Slow Horses season 4, ep 1

Slow Horses is an adaptation of CWA Gold Dagger Award-winning Mick Herron’s first novel in the “Slow Horses” series, which follows a team of British intelligence agents who serve in a dumping ground department of MI5 – Slough House. Gary Oldman stars as Jackson Lamb, the brilliant but irascible leader of the spies who end up in Slough House due to their career-ending mistakes.

On his way home, David shouts at an unseen person that he thinks is tailing him.

Once inside, David falls asleep in an armchair with a shotgun lying across his knees.

When he comes to, it’s dark and River is, seemingly, banging on his front door.

Whelan asks Taverner for help with First Desk duties in Slow Horses season 4, ep 1

David lets his grandson inside but something seems off.

In the bathroom, David approaches with his shotgun.

When Flyte arrived, her team found River’s body in the upstairs bathroom.

Jack Lowden and Rosalind Eleazar at a bar in Slow Horses season 4, ep 1

There’s no denying that Jackson Lamb’s reaction to the crime scene is strange.

(Of course, the episode title definitely hints at that too.)

Regardless of what he’s really thinking,Lamb tells Flyte that itisRiver.

David Cartwright (Jonathan Pryce) levels his shotgun at an intruder in Slow Horses season 4, ep 1

On his way out, the ever-rude and flatulent Lamb continues to give Flyte the cold shoulder.

Nonetheless, her quest to find Cartwright senior seems to be one ofSlow Horsesseason 4’s big arcs.

Slow Horseshas already been renewed for a fifth season.

Emma Flyte speaks to Jackson Lamb at David’s house in Slow Horses season 4, ep 1

No one says much of anything to quell Louisa’s guilt.

Meanwhile, David is fast asleep in Standish’s bedroom.

New episodes ofSlow Horsesseason 4 premiere on Apple TV+ on Wednesdays through October 9, 2024.

The bomber speaks about his motives in Slow Horses season 4, ep 1

The driver assures him that they don’t have too much further to go until they reach their destination.

A composite image of River looking on in shock in front of Dander and Roddy using a computer in Slow Horses

River Cartwright (Jack Lowden) is driven through the French countryside at the end of Slow Horses season 4, ep 1

Slow Horses