Some secrets can't stay hidden

Zoe Johnson has spent most of her life living in the shadows, never drawing attention to herself, never investing in people or places. But when a wide-eyed, bedraggled teenager with no memory walks into the diner where Zoe works, everything changes.

Against her better judgment, Zoe, who has been trying to outrun her own painful memories of the past, finds herself attempting to help a girl who doesn't seem to have any past at all. With little warning, they must follow the only sure thing they know: a woman hundreds of miles away, will either save them . . . or be the last person to see them alive.