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.

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.

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.

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.

As though stumbling out of a nightmare, rookie cop Alex Kincaid awakens in her car, dazed and confused. Parked on an unfamiliar street, she's outside an unfamiliar home with no recollection of how she got there, and no memory of the night before. Then, her nightmare becomes reality. Alex's first call of the day takes her to the same street, to the same house, where a man has been brutally killed. Alex thinks the man is a perfect stranger - until she finds herself the main suspect in his murder.

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.

No one is more familiar with Savannah's dark side than homicide detective and native resident Elise Sandburg. She's been haunted for years by her own mysterious past: She was abandoned as a baby in one of the city's ancient cemeteries, and it’s rumored that she is the illegitimate daughter of an infamous Savannah witch doctor. The local Gullah culture of voodoo and magic is one that few outsiders can understand, least of all Elise’s new partner.

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.

Trauma victims are not new to medical examiner Faith McIntyre, but this one is different. The unconscious woman clinging to life after a hit and run is FBI agent Macy Crow. What the woman from Quantico was doing in a dark alley after midnight is just one mystery. The other is more unsettling: Macy is Faith’s mirror image—the twin sister she never knew she had.

FBI Special Agent Nina Guerrera escaped a serial killer’s trap at 16. Years later, when she’s jumped in a Virginia park, a video of the attack goes viral. Legions of new fans are not the only ones impressed with her fighting skills. The man who abducted her 11 years ago is watching. Determined to reclaim his lost prize, he commits a grisly murder designed to pull her into the investigation...but his games are just beginning. And he’s using the internet to invite the public to play along.

Joanna Guthrie was free. She had been for 18 years - or so she needed everyone to believe. What really happened during the longest 14 days of her life, when she and two other women were held captive by the worst kind of killer, wasn't something she could talk about. Not after what she'd had to do to survive. But when more women go missing in an eerily similar manner, Jo knows her prolonged silence will only seal their fates. She's finally ready to talk; she just needs someone to listen.

After the devastating loss of her husband in Iraq, Morgan Dane returns to Scarlet Falls, seeking the comfort of her hometown. Now, surrounded by family, she’s finally found peace and a promising career opportunity - until her babysitter is killed and her neighbor asks her to defend his son, Nick, who stands accused of the murder.

Fourteen years ago, Kaitlin Roe was the lone witness to the abduction of her cousin Gina. She still remembers that lonely Virginia road. She can still see the masked stranger and hear Gina’s screams. And she still suffers the guilt of running away in fear and resents being interrogated as a suspect in the immediate aftermath. Now Kaitlin has only one way to assuage the pain and nightmares—by interviewing everyone associated with the unsolved crime for a podcast that could finally bring closure to a case gone cold.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.