"The Secret in Their Eyes" is a novel by Argentine author Eduardo Sacheri, published in 2005. The story follows Benjamín Esposito, a retired legal counselor, who revisits an unsolved rape and murder case from the 1970s. As he writes a novel about the case, he reflects on his past, the impact of the crime on the victim's family, and his unrequited love for Irene Menéndez Hastings, his former boss. The narrative intertwines themes of justice, memory, and the passage of time. Set against the backdrop of Argentina's political turmoil, the novel explores how personal and societal traumas shape individuals' lives. It was adapted into a successful film in 2009, further popularizing the story.