Fifteen years ago, the Rookie Club began as a tight-knit band of female cops struggling for respect. Jamie Vail was one of them. So was Natasha Devlin, the woman Jamie caught in bed with her husband. When Natasha Devlin turns up dead, Jamie can't bring herself to care. She's got enough on her plate, hunting a sexual predator who preys on female officers. He leaves them alive, but brutalized. But when the MO of the Devlin murder matches the MO of the perp in Jamie's case, she's brought in on the homicide investigation and back into the Rookie Club she has been avoiding.

After surviving a car accident on an icy road in Hagen, North Dakota, Lily Baker regains consciousness with no idea where or who she is. Scattered Bible verses and the image of a man lying in a pool of blood haunt her memory. The same night of the accident, a young woman is murdered and tossed in a dumpster. Kylie Milliard, Hagen's only detective, doesn't immediately recognize the victim, but Kylie soon discovers that Lily and the dead woman share a dark past...if only Lily could remember what it was.

Seven years after making her escape from an abusive marriage, Dr. Annabelle Schwartzman is settling into her position as medical examiner in the city of San Francisco. Doing what she loves, she can almost put the trauma of her past behind her—until she confronts the case of a young woman, 16 weeks pregnant. Everything about the case says the woman took her own life. As hard as Schwartzman tries to make peace with the evidence in her head, something about the case won’t leave her alone. She’s all too aware of how similar the circumstances are to her own past.

Ex-FBI agent Cody O'Brien lives a quiet life in Northern California. Self-sufficient and content, she provides a good home for herself and her eight-year-old son, Ryan. But all of that is shattered when Ryan is kidnapped is broad daylight. Cody's greatest fear is knowing the true motive behind the abduction. For her entire life is a lie - one so easily exposed, and so very dangerous. A woman of hard-earned courage, she escaped the killers responsible for her husband's murder and learned to start over. Failed by the Witness Protection Program, she trusts only herself to save her son.

They called him Leonardo - a master skilled in the art of murder. One year ago, Cincinnati was his canvas. A scalpel was his tool. And women were his works-in-progress. FBI profiler Casey McKinley was one of them, a victim of Leonardo's twisted genius. She has the scars - and the nightmares - to prove it. For Casey, a new city means a life far from the one she left behind in Cincinnati. In San Francisco she finally feels safe. Until a series of eerily familiar slayings plunges her back into Leonardo's game.

A tough special agent with the Department of Justice and a dedicated single mother to her orphaned nephews, Samantha Chase is unbreakable. Until two women, both from the shadows of Sam's past, are discovered strangled. For Sam, the most unnerving detail is the eucalyptus branch tucked behind the victims' ears - the signature of a notorious serial murderer already convicted and executed for his crimes.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

Sisters. Strangers. Survivors. More than 20 years ago, Claire and Lydia's teenaged sister Julia vanished without a trace. The two women have not spoken since, and now their lives could not be more different. Claire is the glamorous trophy wife of an Atlanta millionaire. Lydia, a single mother, dates an ex-con and struggles to make ends meet. But neither has recovered from the horror and heartbreak of their shared loss—a devastating wound that's cruelly ripped open when Claire's husband is killed.

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 Kate Fox receives a late-night phone call, her seemingly perfect life on the Nebraska prairie shatters in an instant. Eldon, shirt-tail relative and owner of one of the largest cattle ranches in Grand County, has been killed. Kate's husband, Ted, the Grand County sheriff, has been shot and may never walk again. And worst of all, Ted is the prime suspect in Eldon’s murder. Desperate to clear Ted's name, Kate throws herself headlong into the hunt for the real killer. When she finds herself the victim of several mysterious “accidents”, she knows she’s running out of time.

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

The beautiful young woman is perfectly still, curled up in the trunk of the car, her long dark hair hiding her face. Her cotton blouse has ridden up a little, revealing two small dots an inch apart on her back. Just like the others. Guilt has kept FBI Agent Tori Hunter away from her home in Manchester Bay, Minnesota for 20 years, ever since her twin sister disappeared on the Fourth of July, when the girls should have been together. But when she receives an anonymous newspaper clipping about another missing girl, Genevieve, Tori is dragged back to the past.

Some mistakes can change your life forever. For Matt Hunter, that mistake came in one terrible moment when his attempt to help a friend and stop a fight resulted in an accidental death. Matt was convicted of manslaughter and sent to prison. Time that his peers spent in college, Matt endured behind bars.