In 2013, 23-year old Molly Diamond is a barista, dreaming of becoming a writer. One night at a concert in East Williamsburg, she locks eyes with the lead singer, Jake Danner, and can’t look away. Molly and Jake fall quickly and deeply in love, especially after he writes a hit song about her that puts his band on the map.

On a brisk fall night in a New York apartment, 35-year-old Billie West hears terrified screams. It's her lifelong best friend Cassie Barnwell, one floor above, and she's just realized her infant daughter has gone missing. Billie is shaken as she looks down into her own arms to see the baby, remembering—with a jolt of fear—that she is responsible for the kidnapping that has instantly shattered Cassie’s world.

Paul’s just here to help, or so he claims—sent by a charity for vulnerable people to do odd jobs for elderly widow Gwen. But for Gwen’s daughter Connie, there’s just something about Paul that rings alarm bells from day one. He’s a little too kind, a little too involved…Worse still, Gwen seems to have fallen under his spell.

It's June 2008 and 21-year-old Adam Lattimer vanishes, presumed dead. The strain of his disappearance breaks his already fragile family. Ten years later, with his mother deceased and siblings scattered across the globe, Adam turns up unannounced at the family home. His siblings return reluctantly to Spanish Cove, but Adam's reappearance poses more questions than answers. The past is a tangled web of deceit. And, as tension builds, it's apparent somebody has planned murderous revenge for the events of 10 years ago.

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.