Twenty-five years ago, the body of 16-year-old Eve Knox was found in the caves near her home in small-town Grotto, Iowa - discovered by her best friend, Maggie, and her sister, Nola. There were a handful of suspects, including her boyfriend, Nick, but without sufficient evidence the case ultimately went cold.

For 12-year-old Cora Landry and her friends Violet and Jordyn, it was supposed to be an ordinary sleepover - movies and Ouija and talking about boys. But when they decide to sneak out to go to the abandoned rail yard on the outskirts of town, little do they know that their innocent games will have dangerous consequences. Later that night, Cora Landry is discovered on the tracks, bloody and clinging to life, her friends nowhere to be found. Soon, their small rural town is thrust into a maelstrom. Who would want to hurt a young girl like Cora - and why?

When a tragic accident leaves nurse Amelia Winn deaf, she spirals into a depression that ultimately causes her to lose everything that matters - her job; her husband, David; and her stepdaughter, Nora. Now, two years later, and with the help of her hearing dog, Stitch, she is finally getting back on her feet. But when she discovers the body of a fellow nurse in the dense bush by the river, deep in the woods near her cabin, she is plunged into a disturbing mystery that could shatter the carefully reconstructed pieces of her life all over again.

When the body of a woman is discovered in a local park - with her bewildered four-year-old son sitting beside her - veteran social worker Ellen Moore is called in to assist in the police investigation. Positioned beneath a statue of Leto, the goddess of motherhood, the crime is weighted with meaning and, Ellen discovers, remarkably similar to one from a decade past. Ellen's professional duty is to protect the child, but she's not equipped to contend with a killer. As she races to connect the dots, she knows her time is running out.

Medical student Amy Brenner is spending the night on a locked psychiatric ward. Amy has been dreading her evening working on Ward D, the hospital’s inpatient mental health unit. There are very specific reasons why she never wanted to do this required overnight rotation. Reasons nobody can ever find out. And as the hours tick by, Amy grows increasingly convinced something terrible is happening within these tightly secured walls.