BBC One

They're frustrated, furious — and finally feeling something. Two strangers act on their darkest impulses in the aftermath of a road-rage incident.

London's Chelsea neighbourhood is a beautiful borough for beautiful people, but it has a dark underside of deception, violence, greed-and murder. Bodies have a way of showing up, and things are rarely what they seem. DI Max Arnold and his partner must root out the truth and bring those responsible to justice, no matter their wealth or status.

Since it began in 1983, Frontline has been airing public-affairs documentaries that explore a wide scope of the complex human experience. Frontline's goal is to extend the impact of the documentary beyond its initial broadcast by serving as a catalyst for change.

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Countdown begins with a suspicious murder in broad daylight, leading Los Angeles Police Department officer Mark Meachum to be recruited to a secret task force of undercover agents from all branches of law enforcement that will investigate the death. But as the truth of a more sinister plot comes into focus, the team must overcome their conflicting personal agendas to unite and save a city of millions.

Dexter: Resurrection, a continuation of Dexter: New Blood, takes place weeks after Dexter Morgan takes a bullet to the chest from his own son, as he awakens from a coma to find Harrison gone without a trace. Realizing the weight of what he put his son through, Dexter sets out for New York City, determined to find him and make things right. But closure won't come easy. When Miami Metro's Angel Batista arrives with questions, Dexter realizes his past is catching up to him fast. As father and son navigate their own darkness in the city that never sleeps, they soon find themselves deeper than they ever imagined - and that the only way out is together.