Detective Inspector Stella Cole was a rising star in London’s Metropolitan Police. Then a hit-and-run driver killed her husband, Richard, a human rights lawyer. Grief drove her to booze and pills. Back at work after a year’s compassionate leave, Stella secretly re-investigates his death and begins to suspect a cover-up. Freelance journalist Vicky Riley was working with Richard to expose corruption buried deep inside the legal system. Unaware that powerful people are out to stop her, she contacts Stella.

Barely a month since his promotion to Inspector, DI Ford is called in to investigate the murder of a young nurse and her son in a small flat in Salisbury. There are few clues, and no apparent motive, but Ford can sense that there's a serial killer at work. After all, he knows from brutal personal experience how killers cover their tracks.... It's been six years since Ford lost his wife in a climbing accident - an accident he caused. He is desperate to keep the truth hidden, especially from his son, Sam.

Fifteen years ago, a serial killer was on a rampage murdering young women in Middlehampton. Then, suddenly, the killings stopped, and the murderer was never found… So when the body of another young woman is found bearing the twisted killer’s unique hallmark—the overpowering stench of lavender and an origami heart—DS Kat Ballantyne knows this can only mean one thing: the killer is back.

When you want to take power, call the SAS. A right-wing billionaire is standing for Parliament. He enlists the help of ex-SAS soldier, Gabriel Wolfe. Gabriel left the Army after a covert mission went disastrously wrong and has sworn never to cause another man's death. It quickly becomes clear that Sir Toby Maitland's ambitions extend far beyond a seat as an MP. When an ex-contact in Swedish Special Forces, now working for MI5, contacts Gabriel, he realises he has little choice but to try to stop his employer.

DI Kate Young is on leave. She’s the force’s best detective, but her bosses know she’s under pressure, on medication and overcoming trauma. So after her bad judgement call leads to a narrowly averted public disaster, they’re sure all she needs is a rest. But when Staffordshire Police summon her back to work on a murder case, it’s a harder, more suspicious Kate Young who returns. With a new ruthlessness, she sets about tracking down a clinical, calculating serial killer who is torturing victims and leaving clues to taunt the police.