Insomnia has taken her sleep. Now it's taking her mind. Jessie Sloane is on the path to rebuilding her life--renting a new apartment and applying for college. But when the college informs her that her social security number has raised a red flag, Jessie discovers a shocking detail that causes her to doubt everything she's ever known. Finding herself suddenly at the center of a bizarre mystery, Jessie tumbles down a rabbit hole, which is only exacerbated by grief and a relentless lack of sleep. As days pass and the insomnia worsens, Jessie's judgment is blurred. She begins to see things until she can no longer tell the difference between what's real and what she's only imagined. Meanwhile, twenty years earlier and two hundred and fifty miles away, another woman's split-second decision may hold the key to Jessie's secret past. Has Jessie's whole life been a lie or have her delusions gotten the best of her?