Star prosecutor Kristen Mayhew has a dangerous secret admirer. He seems to know her every thought, her every move. He sends her letters. And he kills the criminals she herself is powerless to stop. This avenger even knows Kristen's deepest secret - the one that has kept her from surrendering her heart to Abe Reagan, the police detective sworn to protect her. Like Kristen, Reagan is haunted by the loss of something precious that can never be regained.

Eve Wilson's face was once scarred by a vicious assault. Terrified and ashamed, she escaped to the online realm, where she could choose the face she allowed people to see. Years later, her outer scars faded and inner scars buried, Eve has fought her way back to the real world and is determined to help others do the same. Now a graduate student moonlighting as a bartender, Eve researches the addictive powers of online communities. When her test subjects begin turning up dead as a result of apparent suicides, she doesn't know where to turn.

There is a serial killer on the loose preying on vulnerable women. The only identifiable mark the killer leaves are letters - sometimes one, sometimes two - all carved into the torsos of his victims. Together, they spell “Sydney”. When he grabs Daisy Dawson, he believes he has found his next victim. But despite her small stature, she fights back with an expertise that quickly frees her. Before fleeing the scene, Daisy also manages to grab what proves to be crucial evidence: a necklace from around the killer’s neck.

After completing her tours with the Marines in Iraq, Molly Sutton knew she could take down any bad guy she met. But when a family tragedy exposes the dark side of her local police, she joined up with her former CO Burke Broussard, who left New Orleans PD to set up a private investigative service for people who couldn’t find justice elsewhere.

Psychiatrist Tess Ciccotelli has spent her entire career trying to help people, and now, just as her patients are making headway and her practice is thriving, everything is about to come crashing down. Someone is using her patients' deepest, darkest secrets against them, pushing them to commit suicide, and framing Tess in the process.