A cold case resurfaces, threatening to destroy the life of a beloved public figure and the detective determined to uncover the truth. Sarah Branca, a former FBI agent now running a private security firm, is drawn back into the world of cold cases when a journalist investigating the disappearance of a young woman twenty years prior is murdered. The investigation quickly points to a powerful politician, and Sarah finds herself in a race against time to expose the truth before she becomes the next victim. The narrative unfolds through Sarah's first-person perspective, interweaving present-day investigations with flashbacks to the original case.

The novel is a gripping thriller that masterfully blends suspense with intricate plotting. Readers and critics have praised Karin Slaughter's ability to create compelling characters and maintain a high level of tension throughout the narrative. The book is noted for its complex investigation, which delves into the dark secrets of powerful individuals and the lasting impact of unsolved crimes. The pacing is relentless, ensuring that the reader remains engaged until the final, shocking revelation.