When a desperate man walks into private investigator Laughton Phillips' office, claiming his twin sister’s death was no suicide, the seasoned detective is drawn into a tangled web of family secrets, old money, and dark motives. Set against the backdrop of Boston’s elite, Laughton must navigate deception, power, and privilege to uncover the truth behind Sarah Lodge’s mysterious drowning. As he sifts through a lifetime of letters and uncovers hidden pasts, he finds himself questioning not only Sarah’s fate but the very foundations of the world she left behind. Was it an accident? A suicide? Or something far more sinister?