When the young son of an Aryan Brotherhood of Texas gang captain goes missing, Ranger Darren Mathews has no choice but to investigate the crime. Following the election of Donald Trump, a new wave of racial violence has swept the state. Dark, swampy and filled with skeletal trees, Caddo Lake is so large it crosses into Lousiana. This is deep country and the rule of law doesn't mean much to the Brotherhood, beyond what it can do for them.

Fifteen years after the events of Black Water Rising, Jay Porter is struggling to cope with catastrophic changes in his personal life and the disintegration of his environmental law practice. His victory against Cole Oil is still the crown jewel of his career, even if he hasn't yet seen a dime thanks to appeals. But time has taken its toll. Tired and restless, he's ready to quit.

For half a lifetime, journalist Martin Scarsden has run from his past. But now there is no escaping. He'd vowed never to return to his hometown, Port Silver, and its traumatic memories. But now his new partner, Mandy Blonde, has inherited an old house in the seaside town, and Martin knows their chance of a new life together won't come again. Martin arrives to find his best friend from school days brutally murdered and Mandy the chief suspect. With the police curiously reluctant to pursue other suspects, Martin goes searching for the killer. And finds the past waiting for him. 

September 3, 1939, the day of the Spanish exiles’ splendid arrival in Chile, the Second World War broke out in Europe. Victor Dalmau is a young doctor when he is caught up in the Spanish Civil War, a tragedy that leaves his life - and the fate of his country - forever changed. Together with his sister-in-law, the pianist Roser Bruguera, he is forced out of his beloved Barcelona and into exile. 

The war has come home. For over 40 years, Art Keller has been on the front lines of America’s longest conflict: the War on Drugs. His obsession with defeating the godfather of the Sinaloa Cartel - Adán Barrera - has cost him people he loves, even taken a piece of his soul. Now Keller is elevated to the highest ranks of the DEA, only to find that in destroying one monster he has created 30 more that are wreaking chaos in his beloved Mexico. But not just there.

East Long Beach. The LAPD is barely keeping up with the high crime rate. Murders go unsolved, OAPs are getting hoodwinked, children are missing. But word has spread: if you've got a case the police can't or won't touch, Isaiah Quintabe will help you out. They call him IQ. He's a loner and a high school dropout, his unassuming nature disguising a relentless determination and a fierce intelligence. He charges his clients whatever they can afford. But now he needs a client who can pay.

June, 1781. An unidentified body hangs upon a hook at Deptford Dock - horribly tortured and branded with a slaver’s mark. Some days later, Captain Harry Corsham - a war hero embarking upon a promising parliamentary career - is visited by the sister of an old friend. Her brother, passionate abolitionist Tad Archer, had been about to expose a secret that he believed could cause irreparable damage to the British slaving industry. He’d said people were trying to kill him, and now he is missing....

Detective Dave Robicheaux is fighting his demons to overcome his toughest case yet. There's something off about the relationship between mob boss Tony Nemo, local author Levon Broussard and New Orleans poster boy Jimmy Nightengale, and after a vicious assault, it's up to Robicheaux to uncover the truth. Complicating matters is the sudden death of T. J. Dartez, the New Iberian local responsible for Robicheaux's wife's death, and all are looking to the detective as the murderer. Can Robicheaux clear his name?

Just after dawn Caren walks the grounds of Belle Vie, the historic plantation house in Louisiana that she has managed for the past four years. Today she sees nothing unusual, apart from some ground that has been dug by the fence bordering the sugar cane fields. Assuming an animal has been out after dark, she asks the gardener to tidy it up. Not long after, he calls her to say it's something else. Something terrible. A young woman lying face down in a shallow grave, her throat cut clean.

Is Alice here? Did she make it? Is she safe? In the chaos, in the night, it was impossible to say which of the four had asked after Alice's welfare. Later, when everything got worse, each would insist it had been them. Five women reluctantly pick up their backpacks and start walking along the muddy track. Only four come out the other side.

Atlanta, 1948. In this city all crime is black and white. On one side of the tracks are the rich white neighbourhoods, on the other Darktown, the African American area guarded by the city's first black police force of only eight men. These cops are kept near powerless by the authorities: they can't arrest white suspects; they can't drive squad cars; they must operate out of a dingy basement. When a poor black woman is killed in Darktown having been last seen in a car with a rich white man, no one seems to care except for Boggs and Smith, two black cops.

It's 1986, the heart of the Cold War. Marie Mitchell is an intelligence officer with the FBI. She's brilliant and talented, but she's also a black woman working in an all-white boys' club, and her career has stalled with routine paperwork - until she's recruited to a shadowy task force aimed at undermining Thomas Sankara, the charismatic, revolutionary president of Burkina Faso, whose Communist ideology has made him a target for American intervention. In the year that follows, Marie will observe Thomas, seduce him and ultimately have a hand in the coup that will bring him down.

Baltimore, 1966. When Maddie Schwartz, having recently left her husband of over 20 years, helps Baltimore police find a murdered girl, her assistance leads to a job at the city’s afternoon newspaper. Working at the newspaper offers Maddie the opportunity to make her name, and she has found just the story to do it: a missing woman whose body was discovered in the a city park lake. Cleo Sherwood was a young African American woman. No one seems to know or care why she was killed except Maddie - and the dead woman herself. 

Isaiah Quintabe - IQ for short - has never been more successful - or felt more alone. A series of high-profile wins in his hometown of East Long Beach have made him so notorious that he can hardly go to the corner store without being recognised. Dodson, once his sidekick, is now his full-fledged partner, hell-bent on giving IQ's PI business some real legitimacy: a Facebook page, and IQ's promise to stop accepting Christmas sweaters and carpet cleanings in exchange for PI services. 

Nat, a 47-year-old veteran of Britain's Secret Intelligence Service, believes his years as an agent runner are over. He is back in London with his wife, the long-suffering Prue. But with the growing threat from Moscow Centre, the office has one more job for him. Nat is to take over The Haven, a defunct substation of London General with a rag-tag band of spies. The only bright light on the team is young Florence, who has her eye on Russia Department and a Ukrainian oligarch with a finger in the Russia pie.