Detective Inspector Declan Walsh

It's a time of change for the Last Chance Saloon—recent promotions have changed the focus of the Unit, and when a Fleet Street Legend, Hunt Robinson, is kidnapped from Heathrow Airport and found close to death in the crypt of Fleet Street's St Bride's Church, DI Declan Walsh and his colleagues need to put the past behind them, and unite to take on the case.

Following the bombshell ending of Kill Your Darlings, Declan Walsh has a new job, a new office and a new remit—but when a City of London art gallery discovers the star of their latest exhibition dead, with only a signed, painted "kiss" on his neck to go on, Declan and his team must investigate a murder that involves brutal vengeance, a family linked to a painting stolen by the Nazis in WW2, and a long-forgotten promise.

When a body is found beside the Roman Fort Gate on the London Wall, dressed as a Roman Soldier and with an antique Roman Gladius stabbed into their chest, it's tasked to DCI Declan Walsh and the team of the Last Chance Saloon to investigate the murder, leading them into a rabbit hole of similarly themed attacks - as re-enactors perform real-life battles at various locations for a "History of London" celebration during the day, with some taking a darker and more brutal approach at night.

When new victims of the still-at-large serial killer known as the Red Reaper start to appear in London, DCI Declan Walsh and his team are placed back on the case—but everything isn't what it seems. For a start, the deaths are different, and the calling card is new. It could be a copycat, apart from one thing... They know what Declan did to the real Red Reaper a year earlier. Something only Declan and the closest members of his team keep secret. Is this the real Reaper, back to gain revenge on Declan and his family—or is this a protégé, staking his own claim to the serial killer name?

Someone is killing London "black cab" taxi drivers. Seemingly unconnected, but all with the same MO, bodies are being found across the City of London, and only two clues connect them; an unknown killer with a crooked walking cane, and the title to a folk song placed on rolled paper inside their mouths. Now, DCI Walsh and his team, still reeling after the end of Harvest For The Reaper must hunt down the killer.

Three years ago, Detective Sergeant Anjli Kapoor faced her most terrifying case—the brutal kidnapping and murder of two young girls, each found with posies in their pockets. The prime suspect, local florist Thomas Blackthorne, committed suicide, leaving the case unresolved and haunting Anjli ever since.

In the cutthroat world of biohacking, where the quest to reverse aging teeters on the edge of madness, the line between success and disaster is razor-thin. Stephen Kline, a powerful sponsor of the Rejuvenation Royale Tournament, is found dead in his cryotherapy chamber—a brutal murder that sends shockwaves through the elite competition. As DCI Declan Walsh and his team delve into the high-stakes world of biohacking, they uncover a labyrinth of cutting-edge science, where competitors push the boundaries of biology and technology in their quest to cheat time.

Two years ago, a series of daring highway robberies terrorised London's financial elite. Now, When Treasury Minister Adrian Carmody is held up by a masked highwayman on a black motorcycle—the start of several such robberies, torn from the story books—history is repeating itself; but this time, there's a body count.

When the body of a City banker is discovered with a soaking wet playing card pinned to his chest and a water pistol nearby, DCI Declan Walsh is thrust into a deadly game 20 years in the making. As more bodies appear, each staged with cards and water weapons, Walsh uncovers a chilling truth: 12 friends who've been playing an elaborate game since university are now being hunted for real.