In the quiet town of Porto Seguro, detective Ricardo Alves finds himself facing the most challenging case of his career when a series of brutal murders shakes the community. The victims, seemingly unrelated to each other, are found with an enigmatic symbol engraved on their hands. As the investigation progresses, Ricardo discovers that the crimes are linked to an unsolved case from 20 years ago involving the disappearance of children. With the help of his partner, the insightful forensic psychologist Dr. Camila Santos, Ricardo delves into a labyrinth of buried secrets and conspiracies that threaten to expose the dark underbelly of the city. As the noose tightens, Ricardo is forced to confront his own demons from the past as he realizes he may be more connected to the case than he realized. With time running out and more lives at stake, he must uncover the truth before the killer strikes again, in a final showdown that will test not only his detective skills, but his sanity as well. Shadows of the Past is a thrilling crime thriller that keeps the reader in suspense until the last page, exploring the limits of justice, redemption and the price of truth.