The Slow Horses is an upcoming British television series, set to premiere on Sky One later this year. The show revolves around the members of Britains secretive MI5 unit – an elite group of agents who work in the shadows to keep the country safe. The series follows the Slow Horses – a team of seasoned and determined Mi5 agents, who are tasked with tackling the hardest cases. The team consists of a diverse group of agents – from a disgraced government minister to an ex-con turned hacker – all with their own unique backgrounds and motivations. Led by expert MI5 handler, Sandy Langbourne (Olivia Williams), the team must use their unique skillsets to uncover the intricate web of lies, corruption and espionage that exists beneath the surface of British life. In a world where nothing is ever as it seems, the team must fight against the clock to uncover the truth and bring the guilty to justice. With the stakes never higher, the only thing they can depend on is each other as they face a thrilling series of missions that threaten both their safety and the future of the country.