On the eve of college graduation, six best friends embark on an epic weekend to celebrate—but it takes a fatal turn. Nearly 20 years later, the survivors are reluctantly reunited by a blackmail text threatening to expose the truth about that fateful night.

Nick Bannister, a private investigator of the mind, navigates the alluring world of the past when his life is changed by new client Mae. A simple case becomes an obsession after she disappears and he fights to learn the truth about her.