If She Only Knew, introduces the Cahills, a wealthy San Francisco family - rich in money, twisted secrets, and hidden agendas. Now at the center of their tangled world is Marla Cahill - a woman with no memory of who she is, what she’s done, or why she could be the next to die... It begins on a dark stretch of highway. Two vehicles swerve and crash - leaving one woman dead and another in a coma. When the surviving woman awakens, her memory is gone and her face has been reconstructed. Her family tells her that her name is Marla Cahill - but they’re all strangers to her.

A WOMAN WHO WANTS TO GET EVEN...The first victim is pushed to her death. The second suffers a fatal overdose. The third takes a bullet to the heart. Three down, more to go. They’re people who deserve to die. People who are in the way. And when she’s finished, there will be no one left...WILL DO WHATEVER IT TAKES FOR REVENGE...Cissy Cahill’s world is unraveling fast. One by one, members of her family are dying. Cissy’s certain she’s being watched. Or is she losing her mind? Lately she’s heard footsteps when there’s no one around, smelled a woman’s perfume....

Caitlyn Montgomery Bandeaux wakes one morning drenched in blood, her head pounding mercilessly. Worst of all, she can't remember what happened the night before - when her estranged husband was murdered. Now the police want answers. Tormented, Caitlyn turns to her sister for support and is warned not to talk to the handsome new psychologist in town. But she soon realizes he's the only person she's comfortable confiding in.

Former movie star Jenna Hughes left Hollywood for an isolated farm in Oregon to get away from fame. But someone has followed her - an obsessed fan whose letters are personal and deeply disturbing. And while Jenna's already shaken up by what she's seen on paper, she'd be terrified if she knew what Sheriff Shane Carter is investigating. It's a shocking case that started with the discovery of a dead woman in the woods. Now two more women are missing, one of whom bears a striking resemblance to Jenna...

A girl with a secret. Longbill Beach, 1982. Emily Vaughn gets ready for the prom. For an athlete, who is smart, pretty and well-liked, this night that should be the highlight of her high school career. But Emily has a secret. And by the end of the evening, that secret will be silenced forever. Forty years later, Emily’s murder remains a mystery. Her tight-knit group of friends closed ranks; her respected, wealthy family retreated inwards; the small town moved on from her grisly attack. But all that’s about to change.

In the lonely woods around Grizzly Falls, Montana, the first body is discovered, stripped naked and tied to a tree. Alvarez and Pescoli have been hoping for a career-making case, but this is a nightmare. The killer stages car accidents on icy, isolated roads and “rescues” his victims. He toys with them, heals them, earns their trust...before subjecting them to a slow, agonizing death.

Emma hasn't told her husband much about her past. He knows her parents are dead and she hasn't spoken to her sisters in years. Then they lose their apartment, her husband gets laid off, and Emma discovers she's pregnant—right as the bank account slips into the red. That's when Emma confesses that she has one more asset: her parents' house, which she owns jointly with her estranged sisters. They can't sell it, but they can live in it. But returning home means that Emma is forced to reveal her secrets to her husband.

Twenty years ago, wild child Jessie Brentwood vanished from St. Elizabeth's high school. Most in Jessie's tight circle of friends believed she simply ran away. Few suspected that Jessie was hiding a shocking secret - one that brought her into the crosshairs of a vicious killer.

A stranger is trespassing in Celeste Turner's backyard, moving through the shadows around her shed. It could be a harmless backpacker seeking temporary refuge, but experience has taught Celeste to be extra wary. Not wishing to draw unwanted attention, she cannot turn to the police. Celeste is an outsider to this region of rural Florida, and all the locals see is a "city girl" who swooped in to secure her inheritance. But Celeste needs her new life to work, so she must confront her intruder. To her surprise, she finds out that her unwanted guest is a young backpacker named Daisy.

Lucas Vega is obsessed with the death of Candace Swain, who left a sorority party one night and never came back. Her body was found after two weeks, but the case has grown cold. Three years later while interning at the medical examiner's, Lucas discovers new information, but the police are not interested.

It starts as a prank - a way to blow off steam after a long summer at Camp Horseshoe. Among the teen counselors, tensions and hormones are running high. No wonder the others agree when Jo-Beth Chancellor suggests they scare Monica O'Neal a little.... or a lot. Monica has it coming, and no one will really get hurt. What could go wrong? Everything.

Former Super Bowl MVP quarterback Zach Bridger hasn’t seen his ex-wife, Rebecca Pratt, for some time—not since their volatile marriage imploded—so he’s shocked to receive a life-altering call about her. Rebecca has been placed on life support after a violent assault, and he—despite their divorce—has medical power-of-attorney. Zach is asked to make an impossible choice: keep her on life support or take her off of it. Buckling under the weight of the responsibility and the glare of public scrutiny, Zach ultimately walks away, letting Rebecca's parents have the final say.

There are people in Edgewater, Oregon, who think that twenty years ago, Rachel Gaston got away with murder. But Rachel still has no idea how a foolish teenaged game turned deadly - or who replaced her soft pellet air gun with a real weapon. When a figure jumped out at her from the darkness, she fired without thinking. By the time she recognized her half-brother, Luke, it was too late.

Jason Bennett is a suburban dad who owns a court-reporting business, but one night, his life takes a horrific turn. He is driving his family home after his daughter’s field hockey game when a pickup truck begins tailgating them, on a dark stretch of road. Suddenly two men jump from the pickup and pull guns on Jason, demanding the car. A horrific flash of violence changes his life forever.

Detective Kara Quinn, on leave from the LAPD, is on an early morning jog in her hometown of Liberty Lake when she comes upon the body of a young nurse. The manner of death shows a pattern of highly controlled rage. Meanwhile in DC, FBI Special Agent Mathias Costa is staffing his newly minted Mobile Response Team. Word reaches Matt that the Liberty Lake murder fits the profile of the compulsive Triple Killer. It will be the first case for the MRT. This time, they have a chance to stop this zealous, if elusive, killer before he strikes again.