Striker has a gift. He sees things other cops don’t. Sometimes, it’s a blessing. On other occasions, a curse. When a package containing graphic pictures of a murder taking place is delivered to the mother of the victim, the unconventional and uncompromising detective is called upon to use his special talents to solve the case. With just a small team of specialist officers, including the beautiful psychological profiler DC Felicity Abbott, Striker quickly learns he is dealing with not one but two serial killers who are about to kill one victim each week.

Ryan Drake is a man who finds people who don't want to be found. Once a British soldier, he now works for the CIA, leading an elite investigation team that tracks down missing agents. But his latest mission - to free a prisoner, code-named Maras, and bring her back onto US soil within 48 hours - is more dangerous than anything his team has attempted before. Hunted by his former comrades, Drake is left with no choice but to trust a dangerous woman he barely knows.

Dennis Milne is a man with a past, and a past that involves murder. A former cop, he’s earned his living killing the bad guys – drug-dealers, corrupt business men - people who, in his opinion, deserve to die. For the past two days, he’s been in Manila, waiting for his next target: a young woman who’s made herself some poor life-choices, and some even worse enemies. DI Tina Boyd is a woman on a mission. Tough, spiky and determined, she’s looking for the man she holds responsible for the death of her lover.

Rookie Cop Dave Stewart knew that William Bailey was guilty of murder. All he had to do to convict him was change one line in his statement. Detective Chief Superintendent John McCauley loves dirt. He collects it in secret files to use against his enemies, and since Stewart slept with the beautiful Detective Sergeant Anne Wallace, he is the enemy. Stewart hatches a plan to destroy the evidence against him, but inside McCauley's files is evidence of a vile paedophile ring operating under the Chief's nose. Now three people are dead, and Dave Stewart is the prime suspect.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

In the winter of 1996, on the orders of the British government, the SAS stole the contents of a safe belonging to the Provisional IRA. Rick Fuller headed that team. Days later Fuller's wife was brutally murdered. Convinced he was betrayed from within, Fuller begins a relentless search for her murderers. Ten years on, Fuller is a Manchester gangland enforcer, a lone and bitter figure.

Tom Novak is a troubled soul with a dark and bloody past. A former refugee, Royal Marine and member of the elite Special Reconnaissance Regiment, he now finds himself struggling with the deadening routine of day-to-day policing. When he is deployed undercover to infiltrate a gang of people traffickers, things go badly wrong. Faced with an impossible choice, his cover is blown, and he finds himself on the run from the Serbian mafia and even his fellow police colleagues. 

Ex-cop Bierce has been in prison for over 20 years, following his conviction for the murders of his wife and son. He has no memory of the tragedy and has never been able to say with certainty that he didn't do it - except he cannot imagine why on earth he would have killed his beloved family.

Billy and Charlie thought their killing days were behind them. They used to be prolific life-takers, but old age finally caught up with them. Now they are ending their days in a dismal nursing home in Blackpool, with only their memories to keep them going. Memories of murder and mutilation. But when Archie turns up at the home, everything changes. Archie is a breath of fresh air, and he puts new life into Billy and Charlie—and before long, they realise that it's time to start killing again.

Titus Quayle was the best MI6 ever had - an operative of exceptional and lethal ability. But they burned him, abandoned him and left him for dead. Holly Morton is the daughter of the spymaster who first recognised Quayle’s potential and the key to unlocking a global conspiracy her father died trying to bring down. To uncover the truth, Quayle must keep her safe from the threat of a powerful enemy in a globetrotting race against time. Nowhere is safe. 

Dublin. Joshua Boyce watches a jewellers as he plans a job; Dixie Payton desperate for cash attempts a mugging; DI Synott calls on a rape suspect, convinced of his guilt; gangland boss Lar MacKendrick is getting back into shape after brothers Jo-Jo's murder. Criminals and police each have their own code, with both sides resorting to desperate measures as a means to an end.

A young woman’s body has been found on Hampstead Heath. Naked, tortured, mutilated. The violence visited upon her shocks even seasoned forensic pathologist Kate Walker. And when DI Jack Delaney takes on the case, he realises that someone is taunting him with the horrific murder. Then, in a north London flat, the expertly dissected body of a second young woman is discovered.

1969. Eloise Shepherd, one of MI6’s brightest rising stars, is working undercover in Soviet Russia as Magdalina Novikova. Her mission is to persuade nuclear physicist Stanislav Kalashnik to defect and bring his knowledge of Russian weapons back to the UK. On the verge of success, the operation fails suddenly and spectacularly. Seventeen years later, Kalashnik is chief engineer at the power plant near Pripyat known as Chernobyl. His concerns for the safety of the plant are growing. 

British M16 Agent and former SAS trooper Jack Tate is trying to escape his past when he witnesses a terrorist attack of unthinkable scale. An electro-magnetic pulse knocks out the US power grid, killing anything with a computer processor, throwing the whole country into chaos. Under the cover of the blackout, a clandestine operation aims to assassinate prominent public figures on US soil. Looting and violence spreads across the country. And Jack Tate’s past comes back to haunt him. 

Murderous jihadists have been crossing the English Channel, passing themselves off as asylum seekers. MI5 have been keeping them under surveillance, but what starts as a simple terrorist takedown goes badly wrong, and dozens of innocent civilians are killed in the heart of London. And the screw is tightened when a bomb takes out senior members of the Secret Intelligence Service.