A gripping mystery of unsolved murder cases and unrequited love starring Ricardo Darín. 

Years after retiring from his work as a legal counselor, Benjamín Esposito revisits an unsolved homicide case from his past to inspire a new novel. As he tries to understand the new information coming in, he writes a draft of who he thinks the real murderer is and shares it with his former boss. As he struggles with his feelings for her, which have never faded since he met her, the case unravels before his eyes.