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....

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.

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.

At Bristol High they were an elite clique known as the Five Firsts: Amanda, Bailey, Carmen, Delta and Zora...ABCD & Z. They could have accepted their classmate, Emmy, as "E", but with her bookish disposition and her embarrassing status of scholarship student to boot, they rejected her and chose wealthy Zora instead. At a pre-graduation party just before the end of senior year, Lance Ventura, the hottest guy in school, falls down an embankment toward the river and is barely rescued in time to save his life. One of the Five Firsts, Carman, rushes to save him, but isn't so lucky.