A woman is found naked, badly beaten and barely alive in the New Mexico mountains. The shocking discovery plunges Albuquerque Detective Alyssa Wyatt into a case that will test her to the limit. It appears that Callie McCormick is the latest plaything of a shadowy psychopath that leaves a long shadow on the streets of New Mexico - an individual linked to a string of deaths but leaving no evidence. But when Alyssa makes a breakthrough that just might reveal the killer, she unknowingly puts herself in the crosshairs of a brutal maniac - one with an old score to settle.

When Nigel Baxter, a middle-aged married banker with an unremarkable past, is found dead in the bath of a plush hotel suite, his wrists slit, it looks as if he's taken his own life. At first. But when Detective Inspector Daniel Riley is assigned to the case, he soon realises all isn't as it first appears to be. When a postmortem shows Baxter was poisoned, Riley suspects foul play. And then there's the odd addition of a teddy bear left at the crime scene....

Atlanta, 1974: It's Kate Murphy's first day on the job, and the Atlanta Police Department is seething after the murder of an officer. Before the day has barely begun, she already suspects she's not cut out to be a cop. Her male uniform is too big, she can't handle a gun, and she's rapidly learning that the APD is hardly a place that welcomes women. Worse still, in the ensuing manhunt she'll be partnered with Maggie Lawson, a cop with her own ax to grind.

From Atlanta's wealthiest suburbs to its stark inner-city housing projects, a killer has crossed the boundaries of wealth and race. And the people who are chasing him must cross those boundaries, too. Among them is Michael Ormewood, a veteran detective whose marriage is hanging by a thread and whose arrogance and explosive temper are threatening his career. And Angie Polaski, a beautiful vice cop who was once Michael's lover before she became his enemy.

Quitting her job as a high school science teacher to join the Seattle Police Department was an easy decision for Tracy Crosswhite. Years earlier, what should have been one of the happiest days of her life instead became her worst nightmare when her younger sister, Sarah, disappeared. After the murder trial, while her family disintegrated, Tracy turned her heartbreak and her lingering questions into a passion for justice.