Olivia Dumont, a financially desperate ghostwriter, reluctantly agrees to ghostwrite her estranged horror‑author father Vincent Taylor’s final memoir — only to discover it’s meant to unravel the long‑unsolved murders of his siblings from 1975 and force her to confront her family’s darkest secrets.

Determined to expose con artist Meg Williams, the woman who upended her life 10 years earlier, for who she really is, Kat Roberts begins to question her long-held assumptions as the two women grow close, leading her to wonder who Meg's real target is.