Erika Cass has a perfect family and a perfect life. Until the evening when two detectives show up at her front door. A high school girl has vanished from Erika's quiet suburban neighborhood. The police suspect the worst - murder. And Erika's teenage son, Liam, was the last person to see the girl alive. Erika has always sensed something dark and disturbed in her seemingly perfect older child. She wants to believe he's innocent, but as the evidence mounts, she can't deny the truth - Liam may have done the unthinkable.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.

Everyone has secrets. YouTube baking sensation April Masterson knows the secret to the perfect gooey brownies. Or how to make key lime squares that will melt in your mouth. But if you keep watching her offline, you may find out some other secrets about April; secrets she’d rather you didn’t know - like where did her son go when he snuck out of the house? What was she doing with the local soccer coach behind fogged windows? And what’s buried in her backyard?

Tegan is eight months pregnant, alone, and desperately wants to put her crumbling life in the rearview mirror. So she hits the road, planning to stay with her brother until she can figure out her next move. But she doesn't realize she's heading straight into a blizzard. She never arrives at her destination. Stranded in rural Maine with a dead car and broken ankle, Tegan worries she's made a terrible mistake. Then a miracle occurs: she is rescued by a couple who offers her a room in their warm cabin until the snow clears. But something isn't right.

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.